Bump pymdown-extensions from 10.21.3 to 11.0.1 in /.github/workflows (#246)

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.21.3 to 11.0.1.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@10.21.3...11.0.1)

---
updated-dependencies:
- dependency-name: pymdown-extensions
  dependency-version: 11.0.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

.github/workflows/requirements.txt

@@ -6,7 +6,7 @@ mkdocs==1.6.1
 packaging==24.1
 pygccxml==2.6.0
 Pygments==2.20.0
-pymdown-extensions==10.21.3
+pymdown-extensions==11.0.1
 pyplusplus==1.8.5
 setuptools==80.8.0
 six==1.16.0