Bump markdown2 from 2.4.1 to 2.4.3
Bumps [markdown2](https://github.com/trentm/python-markdown2) from 2.4.1 to 2.4.3.
- [Release notes](https://github.com/trentm/python-markdown2/releases)
- [Changelog](https://github.com/trentm/python-markdown2/blob/master/CHANGES.md)
- [Commits](https://github.com/trentm/python-markdown2/compare/2.4.1...2.4.3)
---
updated-dependencies:
- dependency-name: markdown2
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>