Fix a comment position (#16105)

Author: srittau

requirements-tests.txt

@@ -11,9 +11,9 @@ mypy-protobuf==5.1.0; python_version < "3.15"
 packaging==26.2
 pathspec>=1.1.1
 pre-commit
+ruff==0.15.20
 # Required by create_baseline_stubs.py.
 # stubdefaulter depends on libcst, which does not yet install cleanly on Python 3.15.
-ruff==0.15.20
 stubdefaulter==0.1.0; python_version < "3.15"
 termcolor>=2.3
 tomli==2.4.1; python_version < "3.11"