Bump pymdown-extensions from 10.0 to 10.16.1 (#30)

Bumps [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) from 10.0 to 10.16.1.
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@10.0...10.16.1)

---
updated-dependencies:
- dependency-name: pymdown-extensions
  dependency-version: 10.16.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-pymdown-extensions==10.0
+pymdown-extensions==10.16.1
 mkdocs==1.3.0
 mkdocs-material==8.2.15
 mkdocs-git-revision-date-localized-plugin==0.10.0