Bump markdown from 3.4.4 to 3.5.1

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.4.4 to 3.5.1.
- [Release notes](https://github.com/Python-Markdown/markdown/releases)
- [Changelog](https://github.com/Python-Markdown/markdown/blob/master/docs/changelog.md)
- [Commits](https://github.com/Python-Markdown/markdown/compare/3.4.4...3.5.1)

tests/requirements.txt

@@ -4,7 +4,7 @@
 
 beautifulsoup4==4.12.2
 hypothesis==6.82.7
-Markdown==3.4.4
+Markdown==3.5.1
 pytest==7.4.0
 pytest-lazy-fixture==0.6.3
 requests==2.31.0