Bumps [deps/protobuf](https://github.com/google/protobuf) from `2571463` to `c86071c`.
- [Release notes](https://github.com/google/protobuf/releases)
- [Commits](257146364d...c86071c9d0
)
---
updated-dependencies:
- dependency-name: deps/protobuf
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>