Build(deps): bump proto-google-common-protos from 2.3.2 to 2.7.4

Bumps [proto-google-common-protos](https://github.com/googleapis/java-iam) from 2.3.2 to 2.7.4.
- [Release notes](https://github.com/googleapis/java-iam/releases)
- [Changelog](https://github.com/googleapis/java-iam/blob/main/CHANGELOG.md)
- [Commits](https://github.com/googleapis/java-iam/commits)

---
updated-dependencies:
- dependency-name: com.google.api.grpc:proto-google-common-protos
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

backends/credhub/build.gradle

@@ -73,7 +73,7 @@ dependencies {
     api("org.bouncycastle:bcpkix-fips:${bcpkixFipsVersion}")
 
     // proto
-    implementation "com.google.api.grpc:proto-google-common-protos:2.3.2"
+    implementation "com.google.api.grpc:proto-google-common-protos:2.7.4"
     implementation "io.grpc:grpc-services:${grpcVersion}"
 
     implementation("com.google.guava:guava:${guavaVersion}")

backends/remote/build.gradle

@@ -55,7 +55,7 @@ dependencies {
     implementation("commons-codec:commons-codec:${commonsCodecVersion}")
 
     //gRPC
-    implementation "com.google.api.grpc:proto-google-common-protos:2.3.2"
+    implementation "com.google.api.grpc:proto-google-common-protos:2.7.4"
     implementation "io.grpc:grpc-services:${grpcVersion}"
 
     //gRPC - Netty

components/encryption/build.gradle

@@ -66,7 +66,7 @@ dependencies {
     implementation("commons-codec:commons-codec:${commonsCodecVersion}")
 
     //gRPC
-    implementation "com.google.api.grpc:proto-google-common-protos:2.3.2"
+    implementation "com.google.api.grpc:proto-google-common-protos:2.7.4"
     implementation "io.grpc:grpc-services:${grpcVersion}"
 
     //gRPC - Netty