Bump markdown-it-py from 2.1.0 to 2.2.0

Bumps [markdown-it-py](https://github.com/executablebooks/markdown-it-py) from 2.1.0 to 2.2.0.
- [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/v2.1.0...v2.2.0)

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

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

requirements.txt

@@ -13,6 +13,6 @@ uvloop==0.17.0
 httpx-socks[asyncio]==0.7.2
 setproctitle==1.3.2
 redis==4.5.1
-markdown-it-py==2.1.0
+markdown-it-py==2.2.0
 typing_extensions==4.5.0
 fasttext-predict==0.9.2.1