Bumps [deps/protobuf](https://github.com/google/protobuf) from `63cfdaf` to `df2bce3`.
- [Release notes](https://github.com/google/protobuf/releases)
- [Commits](63cfdafacb...df2bce345d
)
---
updated-dependencies:
- dependency-name: deps/protobuf
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>