Add pyupgrade check outdated-version-block (UP036) (#11509)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

pyproject.toml

@@ -57,11 +57,6 @@ ignore = [
     # B033 could be slightly useful but Ruff doesn't have per-file select
     "B", # flake8-bugbear
 ]
-# Generated protobuf files:
-# TODO: Re-run sync_tensorflow_protobuf_stubs.sh with this rule enabled to remove this entry
-"*_pb2.pyi" = [
-    "UP036", # Version block is outdated for minimum Python version
-]
 
 [tool.ruff.lint.isort]
 split-on-trailing-comma = false