chore(deps): bump pymdown-extensions from 9.5 to 9.9.2 in /docs/_build

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 9.5 to 9.9.2.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](https://github.com/facelessuser/pymdown-extensions/compare/9.5...9.9.2)

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

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

docs/_build/requirements.txt

@@ -12,7 +12,7 @@ mkdocs-material==8.4.2
 mkdocs-material-extensions==1.0.3
 packaging==21.3
 Pygments==2.14.0
-pymdown-extensions==9.5
+pymdown-extensions==9.9.2
 pyparsing==3.0.9
 python-dateutil==2.8.2
 PyYAML==6.0