chore(deps): update module google.golang.org/grpc to v1.56.1 (#1337)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [google.golang.org/grpc](https://togithub.com/grpc/grpc-go) | require | patch | `v1.56.0` -> `v1.56.1` |

---

### Release Notes

<details>
<summary>grpc/grpc-go</summary>

### [`v1.56.1`](https://togithub.com/grpc/grpc-go/releases/tag/v1.56.1): Release 1.56.1

[Compare Source](https://togithub.com/grpc/grpc-go/compare/v1.56.0...v1.56.1)

-   client: handle empty address lists correctly in addrConn.updateAddrs

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/gapic-showcase).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xMzEuMCIsInVwZGF0ZWRJblZlciI6IjM1LjEzMS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

go.mod

@@ -19,7 +19,7 @@ require (
 	google.golang.org/genproto v0.0.0-20230530153820-e85fd2cbaebc
 	google.golang.org/genproto/googleapis/api v0.0.0-20230530153820-e85fd2cbaebc
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc
-	google.golang.org/grpc v1.56.0
+	google.golang.org/grpc v1.56.1
 	google.golang.org/protobuf v1.30.0
 )
 

go.sum

@@ -539,8 +539,8 @@ google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA5
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
-google.golang.org/grpc v1.56.0 h1:+y7Bs8rtMd07LeXmL3NxcTLn7mUkbKZqEpPhMNkwJEE=
-google.golang.org/grpc v1.56.0/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
+google.golang.org/grpc v1.56.1 h1:z0dNfjIl0VpaZ9iSVjA6daGatAYwPGstTjt5vkRMFkQ=
+google.golang.org/grpc v1.56.1/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=