Bump types-pyyaml from 6.0.12.20240311 to 6.0.12.20240917 (#1149)

Bumps [types-pyyaml](https://github.com/python/typeshed) from 6.0.12.20240311 to 6.0.12.20240917.
- [Commits](https://github.com/python/typeshed/commits)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/mypy.txt

@@ -1,3 +1,3 @@
 mypy==1.11.0
 types-python-dateutil==2.9.0.20240316
-types-PyYAML==6.0.12.20240311
+types-PyYAML==6.0.12.20240917