build(deps): bump com.google.protobuf:protobuf-gradle-plugin

Bumps [com.google.protobuf:protobuf-gradle-plugin](https://github.com/google/protobuf-gradle-plugin) from 0.9.5 to 0.9.6.
- [Release notes](https://github.com/google/protobuf-gradle-plugin/releases)
- [Commits](google/protobuf-gradle-plugin@v0.9.5...v0.9.6)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-gradle-plugin
  dependency-version: 0.9.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

backends/credhub/build.gradle

@@ -18,7 +18,7 @@ buildscript {
     }
     dependencies {
         classpath("org.asciidoctor.jvm.convert:org.asciidoctor.jvm.convert.gradle.plugin:${asciiDoctorConvertPluginVersion}")
-        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.5")
+        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.6")
     }
 }
 

backends/remote/build.gradle

@@ -17,7 +17,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.5")
+        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.6")
     }
 }
 

components/credentials/build.gradle

@@ -17,7 +17,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.5")
+        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.6")
     }
 }
 

components/encryption/build.gradle

@@ -17,7 +17,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.5")
+        classpath("com.google.protobuf:protobuf-gradle-plugin:0.9.6")
     }
 }