build(deps-dev): bump markdown-it from 14.3.2 to 14.3.3 in /tools/docs

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 14.3.2 to 14.3.3.
- [Changelog](https://github.com/markdown-it/markdown-it/blob/14.3.3/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@14.3.2...14.3.3)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-version: 14.3.3
  dependency-type: indirect
...

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

Author: dependabot[bot]