Bump markdown from 3.5.2 to 3.6

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.5.2 to 3.6.
- [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@3.5.2...3.6)

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

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

requirements.txt

@@ -5,7 +5,7 @@ psycopg2==2.9.9
 Django==5.0.3
 beautifulsoup4==4.12.3
 requests==2.31.0
-markdown==3.5.2
+markdown==3.6
 black==24.2.0
 flake8==7.0.0
 mock==5.1.0