chore(deps): bump pymdown-extensions from 10.15 to 10.16

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.15 to 10.16.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](https://github.com/facelessuser/pymdown-extensions/compare/10.15...10.16)

---
updated-dependencies:
- dependency-name: pymdown-extensions
  dependency-version: '10.16'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

docs/requirements-docs.txt

@@ -2,6 +2,6 @@ markdown==3.8
 mkdocs==1.6.1
 mkdocs-material==9.6.14
 mdx_truly_sane_lists==1.3
-pymdown-extensions==10.15
+pymdown-extensions==10.16
 jinja2==3.1.6
 mike==2.1.3