chore(deps): bump types-pyyaml from 6.0.12.20250402 to 6.0.12.20250915 in /requirements/lintrunner (#2562)

Author: dependabot[bot]

requirements/lintrunner/requirements.txt

@@ -4,7 +4,7 @@ lintrunner-adapters>=0.8.0
 ruff==0.13.2
 # MYPY
 mypy==1.10.1
-types-PyYAML==6.0.12.20250402
+types-PyYAML==6.0.12.20250915
 # PYLINT
 pylint==3.3.6
 # EDITORCONFIG-CHECKER