feat(migrationcenter): update the api

#### migrationcenter:v1alpha1

The following keys were added:
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostCompute.readOnly (Total Keys: 1)
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostNetworkEgress.readOnly (Total Keys: 1)
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostOsLicense.readOnly (Total Keys: 1)
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostOther.readOnly (Total Keys: 1)
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostStorage.readOnly (Total Keys: 1)
- schemas.ReportSummaryGroupPreferenceSetFinding.properties.monthlyCostTotal.readOnly (Total Keys: 1)

docs/dyn/migrationcenter_v1alpha1.projects.locations.preferenceSets.html

@@ -172,7 +172,7 @@ <h3>Method Details</h3>
           },
         ],
       },
-      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support.
+      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support on Windows Server.
       &quot;osPricingPreferences&quot;: { # Pricing options for OS images. # Optional. Pricing options for OS images.
         &quot;rhel&quot;: { # Pricing options of an OS image. # Optional. Pricing options for RHEL images.
           &quot;commitmentPlan&quot;: &quot;A String&quot;, # Optional. The plan of commitments for committed use discounts (CUD).
@@ -389,7 +389,7 @@ <h3>Method Details</h3>
           },
         ],
       },
-      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support.
+      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support on Windows Server.
       &quot;osPricingPreferences&quot;: { # Pricing options for OS images. # Optional. Pricing options for OS images.
         &quot;rhel&quot;: { # Pricing options of an OS image. # Optional. Pricing options for RHEL images.
           &quot;commitmentPlan&quot;: &quot;A String&quot;, # Optional. The plan of commitments for committed use discounts (CUD).
@@ -546,7 +546,7 @@ <h3>Method Details</h3>
               },
             ],
           },
-          &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support.
+          &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support on Windows Server.
           &quot;osPricingPreferences&quot;: { # Pricing options for OS images. # Optional. Pricing options for OS images.
             &quot;rhel&quot;: { # Pricing options of an OS image. # Optional. Pricing options for RHEL images.
               &quot;commitmentPlan&quot;: &quot;A String&quot;, # Optional. The plan of commitments for committed use discounts (CUD).
@@ -711,7 +711,7 @@ <h3>Method Details</h3>
           },
         ],
       },
-      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support.
+      &quot;multithreading&quot;: &quot;A String&quot;, # Optional. Preferences for multithreading support on Windows Server.
       &quot;osPricingPreferences&quot;: { # Pricing options for OS images. # Optional. Pricing options for OS images.
         &quot;rhel&quot;: { # Pricing options of an OS image. # Optional. Pricing options for RHEL images.
           &quot;commitmentPlan&quot;: &quot;A String&quot;, # Optional. The plan of commitments for committed use discounts (CUD).