chore(deps-dev): bump the pip group across 1 directory with 2 updates

Bumps the pip group with 2 updates in the / directory: [mypy](https://github.com/python/mypy) and [mypy-protobuf](https://github.com/nipunn1313/mypy-protobuf).


Updates `mypy` from 1.19.0 to 1.19.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.0...v1.19.1)

Updates `mypy-protobuf` from 3.7.0 to 4.0.0
- [Changelog](https://github.com/nipunn1313/mypy-protobuf/blob/main/CHANGELOG.md)
- [Commits](nipunn1313/mypy-protobuf@v3.7.0...v4.0.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pip
- dependency-name: mypy-protobuf
  dependency-version: 4.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: pip
...

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

Author: dependabot[bot]

pyproject.toml

@@ -17,8 +17,8 @@ dependencies = [
 dev = [
   "grpc-stubs~=1.53",
   "grpcio-tools>=1.63,<1.77",
-  "mypy==1.19.0",
-  "mypy-protobuf==3.7.0",
+  "mypy==1.19.1",
+  "mypy-protobuf==4.0.0",
   "mock>=5.1.0,<6",
   "pytest>=7.1.3,<9.0.0",
   "pytest-asyncio>=0.21,<1.3",