Bump types-protobuf from 5.29.1.20250208 to 5.29.1.20250403

Bumps [types-protobuf](https://github.com/typeshed-internal/stub_uploader) from 5.29.1.20250208 to 5.29.1.20250403.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-protobuf
  dependency-version: 5.29.1.20250403
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -68,7 +68,7 @@ dev-mkdocs = [
 dev-mypy = [
   "mypy == 1.15.0",
   "types-Markdown == 3.7.0.20241204",
-  "types-protobuf == 5.29.1.20250208",
+  "types-protobuf == 5.29.1.20250403",
   "types-setuptools == 78.1.0.20250329",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-sdk[dev-mkdocs,dev-noxfile,dev-pytest]",