build(deps): bump protobuf from 3.19.1 to 3.19.3 in /examples/grpc-bridge/client#256

dependabot[bot] wants to merge 1 commit intomaintbarrella/envoy:mainfrom

dependabot/pip/examples/grpc-bridge/client/protobuf-3.19.3tbarrella/envoy:dependabot/pip/examples/grpc-bridge/client/protobuf-3.19.3Copy head branch name to clipboard