chore(deps): update pyyaml requirement from >=6.0 to >=6.0.3

Updates the requirements on [pyyaml](https://github.com/yaml/pyyaml) to permit the latest version.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/6.0.3/CHANGES)
- [Commits](yaml/pyyaml@6.0...6.0.3)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-version: 6.0.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -16,4 +16,4 @@ pytest>=7.4.0
 pytest-cov>=4.1.0
 
 # Optional: For enhanced markdown processing
-pyyaml>=6.0
+pyyaml>=6.0.3