Install grpcio-tools when using Python 3.14 (#15233)

grpcio-tools wheels are now available for Python 3.14.

Author: srittau

requirements-tests.txt

@@ -5,9 +5,7 @@ pyright==1.1.408
 
 # Libraries used by our various scripts.
 aiohttp==3.13.3
-# TODO (2025-05-09): No wheels exist for Python 3.14 yet, slowing down CI
-# considerably and prone to fail.
-grpcio-tools>=1.66.2; python_version < "3.14" # For grpc_tools.protoc
+grpcio-tools>=1.76.0 # For grpc_tools.protoc
 mypy-protobuf==4.0.0
 packaging==25.0
 pathspec>=1.0.0