v1.35.8-2

What's Changed

• [CONNECT-2858] Bump protobuf library and grpc version by @yziubrytska-wise in #17
• [CONNECT-2858] Update build script to fail with a clear error if a tag exists already by @yziubrytska-wise in #18

Full Changelog: v1.35.8-1...v1.35.8-2