Bump markdown from 3.4.3 to 3.4.4 (#556)

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.4.3 to 3.4.4.
- [Changelog](https://github.com/Python-Markdown/markdown/blob/master/docs/change_log/release-2.6.md)
- [Commits](Python-Markdown/markdown@3.4.3...3.4.4)

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

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

requirements.txt

@@ -28,7 +28,7 @@ coverage==7.2.7
 tblib==2.0.0
 django-ordered-model==3.7.4
 django-health-check==3.17.0
-markdown==3.4.3
+markdown==3.4.4
 mock==5.1.0
 django-request-logging==0.7.5
 django-cid==2.3