Bump markdown2 from 2.4.11 to 2.4.12

Bumps [markdown2](https://github.com/trentm/python-markdown2) from 2.4.11 to 2.4.12.
- [Changelog](https://github.com/trentm/python-markdown2/blob/master/CHANGES.md)
- [Commits](https://github.com/trentm/python-markdown2/compare/2.4.11...2.4.12)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -38,7 +38,7 @@ jikanpy==4.3.2
 lxml==4.9.3
 
 # ==== M ====
-markdown2==2.4.11
+markdown2==2.4.12
 motor==3.3.2
 
 # ==== N ====