feat: [eventarc] Add CMEK support to Eventarc client library (#8731)

- [ ] Regenerate this pull request now.

The client library users will now be able to manipulate the CMEK in Eventarc.
For more information check here: https://cloud.google.com/eventarc/docs/use-cmek

feat: Update Eventarc Channel to support custom events

This change unlocks the custom eventing in Eventarc.

PiperOrigin-RevId: 486209405

Source-Link: https://togithub.com/googleapis/googleapis/commit/4733d7473771f2c32bfe08f7025074617b33dc90

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/68267fca6f0cb3e8c69161f7b451f29564843e61
Copy-Tag: eyJwIjoiamF2YS1ldmVudGFyYy8uT3dsQm90LnlhbWwiLCJoIjoiNjgyNjdmY2E2ZjBjYjNlOGM2OTE2MWY3YjQ1MWYyOTU2NDg0M2U2MSJ9

java-eventarc/README.md

@@ -19,20 +19,20 @@ If you are using Maven, add this to your pom.xml file:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-eventarc</artifactId>
-  <version>1.5.0</version>
+  <version>1.6.0</version>
 </dependency>
 ```
 
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-eventarc:1.5.0'
+implementation 'com.google.cloud:google-cloud-eventarc:1.6.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-eventarc" % "1.5.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-eventarc" % "1.6.0"
 ```
 
 ## Authentication
@@ -159,16 +159,16 @@ Java is a registered trademark of Oracle and/or its affiliates.
 
 [product-docs]: https://cloud.google.com/eventarc/docs
 [javadocs]: https://cloud.google.com/java/docs/reference/google-cloud-eventarc/latest/overview
-[kokoro-badge-image-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java7.svg
-[kokoro-badge-link-1]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java7.html
-[kokoro-badge-image-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8.svg
-[kokoro-badge-link-2]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8.html
-[kokoro-badge-image-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8-osx.svg
-[kokoro-badge-link-3]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8-osx.html
-[kokoro-badge-image-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8-win.svg
-[kokoro-badge-link-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java8-win.html
-[kokoro-badge-image-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/java11.svg
-[kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-eventarc/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-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-eventarc.svg
 [maven-version-link]: https://search.maven.org/search?q=g:com.google.cloud%20AND%20a:google-cloud-eventarc&core=gav
@@ -180,9 +180,9 @@ 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-eventarc/blob/main/CONTRIBUTING.md
-[code-of-conduct]: https://github.com/googleapis/java-eventarc/blob/main/CODE_OF_CONDUCT.md#contributor-code-of-conduct
-[license]: https://github.com/googleapis/java-eventarc/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=eventarc.googleapis.com
 [libraries-bom]: https://github.com/GoogleCloudPlatform/cloud-opensource-java/wiki/The-Google-Cloud-Platform-Libraries-BOM

java-eventarc/google-cloud-eventarc/pom.xml

@@ -40,6 +40,10 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-common-protos</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>proto-google-iam-v1</artifactId>
+    </dependency>
 
     <dependency>
       <groupId>com.google.api.grpc</groupId>
@@ -72,6 +76,17 @@
       <artifactId>junit</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>grpc-google-common-protos</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>grpc-google-iam-v1</artifactId>
+      <scope>test</scope>
+    </dependency>
+
 
     <dependency>
       <groupId>com.google.api.grpc</groupId>