feat(gkehub): update the api

#### gkehub:v2

The following keys were deleted:
- schemas.FeatureConfigRef (Total Keys: 8)
- schemas.MembershipFeature.properties.featureConfigRef.$ref (Total Keys: 1)

#### gkehub:v2alpha

The following keys were deleted:
- schemas.FeatureConfigRef (Total Keys: 8)
- schemas.MembershipFeature.properties.featureConfigRef.$ref (Total Keys: 1)

#### gkehub:v2beta

The following keys were deleted:
- schemas.FeatureConfigRef (Total Keys: 8)
- schemas.MembershipFeature.properties.featureConfigRef.$ref (Total Keys: 1)

docs/dyn/gkehub_v1.projects.locations.operations.html

@@ -76,7 +76,7 @@ <h1><a href="gkehub_v1.html">GKE Hub API</a> . <a href="gkehub_v1.projects.html"
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#cancel">cancel(name, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.</p>
+<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.</p>
 <p class="toc_element">
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
@@ -95,7 +95,7 @@ <h2>Instance Methods</h2>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="cancel">cancel(name, body=None, x__xgafv=None)</code>
-  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.
 
 Args:
   name: string, The name of the operation resource to be cancelled. (required)

docs/dyn/gkehub_v1alpha.projects.locations.operations.html

@@ -76,7 +76,7 @@ <h1><a href="gkehub_v1alpha.html">GKE Hub API</a> . <a href="gkehub_v1alpha.proj
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#cancel">cancel(name, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.</p>
+<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.</p>
 <p class="toc_element">
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
@@ -95,7 +95,7 @@ <h2>Instance Methods</h2>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="cancel">cancel(name, body=None, x__xgafv=None)</code>
-  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.
 
 Args:
   name: string, The name of the operation resource to be cancelled. (required)

docs/dyn/gkehub_v1beta.projects.locations.operations.html

@@ -76,7 +76,7 @@ <h1><a href="gkehub_v1beta.html">GKE Hub API</a> . <a href="gkehub_v1beta.projec
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#cancel">cancel(name, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.</p>
+<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.</p>
 <p class="toc_element">
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
@@ -95,7 +95,7 @@ <h2>Instance Methods</h2>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="cancel">cancel(name, body=None, x__xgafv=None)</code>
-  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.
 
 Args:
   name: string, The name of the operation resource to be cancelled. (required)

docs/dyn/gkehub_v1beta1.projects.locations.operations.html

@@ -76,7 +76,7 @@ <h1><a href="gkehub_v1beta1.html">GKE Hub API</a> . <a href="gkehub_v1beta1.proj
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#cancel">cancel(name, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.</p>
+<p class="firstline">Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.</p>
 <p class="toc_element">
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
@@ -95,7 +95,7 @@ <h2>Instance Methods</h2>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="cancel">cancel(name, body=None, x__xgafv=None)</code>
-  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to `Code.CANCELLED`.
+  <pre>Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn&#x27;t support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of `1`, corresponding to `Code.CANCELLED`.
 
 Args:
   name: string, The name of the operation resource to be cancelled. (required)