build(deps): bump pymdown-extensions from 10.8.1 to 10.9 (kubernetes-…

…sigs#3224)

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.8.1 to 10.9.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@10.8.1...10.9)

---
updated-dependencies:
- dependency-name: pymdown-extensions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -17,7 +17,7 @@ mkdocs-mermaid2-plugin==1.1.1
 pandas==2.0.3
 pep562==1.1
 Pygments==2.18.0
-pymdown-extensions==10.8.1
+pymdown-extensions==10.9
 PyYAML==6.0.1
 six==1.16.0
 tabulate==0.9.0