🌱 Bump markdown2 from 2.5.2 to 2.5.3 (#1652)

Bumps [markdown2](https://github.com/trentm/python-markdown2) from 2.5.2 to 2.5.3.
- [Changelog](https://github.com/trentm/python-markdown2/blob/master/CHANGES.md)
- [Commits](trentm/python-markdown2@2.5.2...2.5.3)

---
updated-dependencies:
- dependency-name: markdown2
  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>

Author: dependabot[bot]

requirements.txt

@@ -10,7 +10,7 @@ idna==3.10
 Jinja2==3.1.5
 lxml==5.3.0
 Markdown==3.7
-markdown2==2.5.2
+markdown2==2.5.3
 MarkupSafe==3.0.2
 mergedeep==1.3.4
 mkdocs==1.6.1