Bump types-pyyaml from 6.0.12.20250915 to 6.0.12.20260408

Bumps [types-pyyaml](https://github.com/python/typeshed) from 6.0.12.20250915 to 6.0.12.20260408.
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20260408
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -69,7 +69,7 @@ development = [
     'pydocstyle==6.3.0',
     'radon==6.0.1',
     'xenon==0.9.3',
-    'types-PyYAML==6.0.12.20250915',
+    'types-PyYAML==6.0.12.20260408',
     'codespell==2.4.2',
     'mypy==1.20.0',
     #'flake8==5.0.4', # version 6.x.x requires python >= 3.8.1 (but 3.7 support window is until 2023-06-27)