Update types-pyyaml requirement from >=6.0.0 to >=6.0.12.20260518 (#19)

Updates the requirements on [types-pyyaml](https://github.com/python/typeshed) to permit the latest version.
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20260518
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -10,7 +10,7 @@ pylint>=2.15.0
 
 # Type checking
 mypy>=1.0.0
-types-PyYAML>=6.0.0
+types-PyYAML>=6.0.12.20260518
 
 # Code formatting
 black>=22.0.0