Bump mypy-protobuf from 3.6.0 to 3.7.0

Bumps [mypy-protobuf](https://github.com/nipunn1313/mypy-protobuf) from 3.6.0 to 3.7.0.
- [Changelog](https://github.com/nipunn1313/mypy-protobuf/blob/main/CHANGELOG.md)
- [Commits](nipunn1313/mypy-protobuf@v3.6.0...v3.7.0)

---
updated-dependencies:
- dependency-name: mypy-protobuf
  dependency-version: 3.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tools/requirements.txt

@@ -1,2 +1,2 @@
 grpcio-tools==1.62.3
-mypy-protobuf==3.6.0
+mypy-protobuf==3.7.0