[upd] pypi: Bump markdown-it-py from 4.0.0 to 4.2.0 in the minor group

Bumps the minor group with 1 update: [markdown-it-py](https://github.com/executablebooks/markdown-it-py).


Updates `markdown-it-py` from 4.0.0 to 4.2.0
- [Release notes](https://github.com/executablebooks/markdown-it-py/releases)
- [Changelog](https://github.com/executablebooks/markdown-it-py/blob/master/CHANGELOG.md)
- [Commits](https://github.com/executablebooks/markdown-it-py/compare/v4.0.0...v4.2.0)

---
updated-dependencies:
- dependency-name: markdown-it-py
  dependency-version: 4.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
...

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

requirements.txt

@@ -11,7 +11,7 @@ httpx[http2]==0.28.1
 httpx-socks[asyncio]==0.10.0
 sniffio==1.3.1
 valkey==6.1.1
-markdown-it-py==4.0.0
+markdown-it-py==4.2.0
 msgspec==0.21.1
 typer==0.25.1
 isodate==0.7.2