feat: [gke-multi-cloud] Support AttachedClusters (#8924)

- [ ] Regenerate this pull request now.

feat: Add errors output fields for cluster and nodepool resources
feat: Add AWS Autoscaling Group metrics collection for AWS nodepools
feat: Add monitoring config

Clients can now (1) manage Attached Clusters, (2) use managed GMP metrics collection, (3) enable AWS nodepool ASG metrics collection, and (4) get error summary from API resources.

PiperOrigin-RevId: 496709757

Source-Link: https://togithub.com/googleapis/googleapis/commit/8e3a5a476e5cd6bc2065dabb87838a0e19949885

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/d5c060f1ec865af727d70e2611ff806fd504cbb5
Copy-Tag: eyJwIjoiamF2YS1na2UtbXVsdGktY2xvdWQvLk93bEJvdC55YW1sIiwiaCI6ImQ1YzA2MGYxZWM4NjVhZjcyN2Q3MGUyNjExZmY4MDZmZDUwNGNiYjUifQ==

java-gke-multi-cloud/README.md

@@ -22,20 +22,20 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-gke-multi-cloud</artifactId>
-  <version>0.4.0</version>
+  <version>0.6.0</version>
 </dependency>
 ```
 
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-gke-multi-cloud:0.4.0'
+implementation 'com.google.cloud:google-cloud-gke-multi-cloud:0.6.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-gke-multi-cloud" % "0.4.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-gke-multi-cloud" % "0.6.0"
 ```
 
 ## Authentication
@@ -165,16 +165,16 @@ Java is a registered trademark of Oracle and/or its affiliates.
 
 [product-docs]: https://cloud.google.com/anthos
 [javadocs]: https://cloud.google.com/java/docs/reference/google-cloud-gke-multi-cloud/latest/overview
-[kokoro-badge-image-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java7.svg
-[kokoro-badge-link-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java7.html
-[kokoro-badge-image-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8.svg
-[kokoro-badge-link-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8.html
-[kokoro-badge-image-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8-osx.svg
-[kokoro-badge-link-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8-osx.html
-[kokoro-badge-image-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8-win.svg
-[kokoro-badge-link-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java8-win.html
-[kokoro-badge-image-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java11.svg
-[kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-gke-multi-cloud/java11.html
+[kokoro-badge-image-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java7.svg
+[kokoro-badge-link-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java7.html
+[kokoro-badge-image-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8.svg
+[kokoro-badge-link-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8.html
+[kokoro-badge-image-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8-osx.svg
+[kokoro-badge-link-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8-osx.html
+[kokoro-badge-image-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8-win.svg
+[kokoro-badge-link-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java8-win.html
+[kokoro-badge-image-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java11.svg
+[kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java11.html
 [stability-image]: https://img.shields.io/badge/stability-preview-yellow
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-gke-multi-cloud.svg
 [maven-version-link]: https://search.maven.org/search?q=g:com.google.cloud%20AND%20a:google-cloud-gke-multi-cloud&core=gav
@@ -186,9 +186,9 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [create-project]: https://cloud.google.com/resource-manager/docs/creating-managing-projects
 [cloud-sdk]: https://cloud.google.com/sdk/
 [troubleshooting]: https://github.com/googleapis/google-cloud-common/blob/main/troubleshooting/readme.md#troubleshooting
-[contributing]: https://github.com/googleapis/java-gke-multi-cloud/blob/main/CONTRIBUTING.md
-[code-of-conduct]: https://github.com/googleapis/java-gke-multi-cloud/blob/main/CODE_OF_CONDUCT.md#contributor-code-of-conduct
-[license]: https://github.com/googleapis/java-gke-multi-cloud/blob/main/LICENSE
+[contributing]: https://github.com/googleapis/google-cloud-java/blob/main/CONTRIBUTING.md
+[code-of-conduct]: https://github.com/googleapis/google-cloud-java/blob/main/CODE_OF_CONDUCT.md#contributor-code-of-conduct
+[license]: https://github.com/googleapis/google-cloud-java/blob/main/LICENSE
 [enable-billing]: https://cloud.google.com/apis/docs/getting-started#enabling_billing
 [enable-api]: https://console.cloud.google.com/flows/enableapi?apiid=gkemulticloud.googleapis.com
 [libraries-bom]: https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/The-Google-Cloud-Platform-Libraries-BOM