chore(deps): bump types-pyyaml in /requirements/lintrunner

Bumps [types-pyyaml](https://github.com/typeshed-internal/stub_uploader) from 6.0.12.20250402 to 6.0.12.20250822.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20250822
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/lintrunner/requirements.txt

@@ -4,7 +4,7 @@ lintrunner-adapters>=0.8.0
 ruff==0.11.4
 # MYPY
 mypy==1.10.1
-types-PyYAML==6.0.12.20250402
+types-PyYAML==6.0.12.20250822
 # PYLINT
 pylint==3.3.6
 # EDITORCONFIG-CHECKER