chore(deps): bump markdown2 from 2.5.1 to 2.5.4

Bumps [markdown2](https://github.com/trentm/python-markdown2) from 2.5.1 to 2.5.4.
- [Changelog](https://github.com/trentm/python-markdown2/blob/master/CHANGES.md)
- [Commits](trentm/python-markdown2@2.5.1...2.5.4)

---
updated-dependencies:
- dependency-name: markdown2
  dependency-version: 2.5.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ xmltodict==0.13.0
 lxml==5.3.0
 pytz==2025.2
 tzlocal==5.3.1
-markdown2==2.5.1
+markdown2==2.5.4
 flask-migrate==4.0.7
 email_validator
 gitdb==4.0.11