Bump protoc_plugin from 21.1.2 to 22.0.1 and protobuf to 4.0.0 (#2554) * Bump protoc_plugin from 21.1.2 to 22.0.0 (note, we did 22.0.1 instead) Bumps [protoc_plugin](https://github.com/google/protobuf.dart) from 21.1.2 to 22.0.0. - [Release notes](https://github.com/google/protobuf.dart/releases) - [Commits](https://github.com/google/protobuf.dart/compare/protoc_plugin-v21.1.2...protoc_plugin-v22.0.0) --- updated-dependencies: - dependency-name: protoc_plugin dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> * update protoc_plugin to 22.0.1 and protobuf to 4.0.0 --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Carlos (Goodwine) <2022649+Goodwine@users.noreply.github.com>