Bump markdown from 3.4.4 to 3.8.1

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.4.4 to 3.8.1.
- [Release notes](https://github.com/Python-Markdown/markdown/releases)
- [Changelog](https://github.com/Python-Markdown/markdown/blob/master/docs/changelog.md)
- [Commits](Python-Markdown/markdown@3.4.4...3.8.1)

---
updated-dependencies:
- dependency-name: markdown
  dependency-version: 3.8.1
  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

@@ -13,7 +13,7 @@ gitdb==4.0.10
 GitPython~=3.1.37
 idna==3.7
 Jinja2~=3.1.3
-Markdown==3.4.4
+Markdown==3.8.1
 MarkupSafe==2.1.3
 mergedeep==1.3.4
 packaging==23.1