Bump grpcio-tools from 1.71.0 to 1.76.0 in /sdks/python

Bumps [grpcio-tools](https://github.com/grpc/grpc) from 1.71.0 to 1.76.0.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](grpc/grpc@v1.71.0...v1.76.0)

---
updated-dependencies:
- dependency-name: grpcio-tools
  dependency-version: 1.76.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

sdks/python/pyproject.toml

@@ -22,7 +22,7 @@ requires = [
     "setuptools",
     "wheel>=0.36.0",
     "grpcio-tools==1.62.1; python_version <= '3.12'",
-    "grpcio-tools==1.71.0; python_version >= '3.13'",
+    "grpcio-tools==1.76.0; python_version >= '3.13'",
     "mypy-protobuf==3.5.0",
     # Avoid https://github.com/pypa/virtualenv/issues/2006
     "distlib==0.3.9",