build(deps): bump pymdown-extensions from 10.12 to 10.13

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.12 to 10.13.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@10.12...10.13)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -17,7 +17,7 @@ mkdocs-mermaid2-plugin==1.2.1
 pandas>=2.0.3
 pep562==1.1
 Pygments==2.19.0
-pymdown-extensions==10.12
+pymdown-extensions==10.13
 PyYAML==6.0.2
 six==1.17.0
 tabulate==0.9.0