Bump markdown from 3.4.4 to 3.6

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.4.4 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@3.4.4...3.6)

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

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

requirements-dev.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 azure-ai-formrecognizer==3.2.1
-Markdown==3.4.4
+Markdown==3.6
 requests==2.31.0
 tqdm==4.66.1
 tiktoken==0.4.0