Revert "chore: [iam] upgrading Protobuf to 23.1 and gRPC to 1.55.0 in code generation"#1714

mpeddada1 merged 1 commit intomaingoogleapis/sdk-platform-java:mainfrom

revert-1693-owl-bot-copy-java-iamgoogleapis/sdk-platform-java:revert-1693-owl-bot-copy-java-iamCopy head branch name to clipboard