build(deps): bump com.google.protobuf from 0.9.2 to 0.9.3

Bumps com.google.protobuf from 0.9.2 to 0.9.3.

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

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

gradle/libs.versions.toml

@@ -23,7 +23,7 @@ errorPronePlugin = "3.0.1"
 spotlessPlugin = "6.16.0"
 shadowPlugin = "8.1.1"
 testLoggerPlugin = "3.2.0"
-protobufPlugin = "0.9.2"
+protobufPlugin = "0.9.3"
 nexusPublishPlugin = "1.2.0"
 axionReleasePlugin = "1.14.4"
 testRetryPlugin = "1.5.2"