Bump markdown-it and mdsvex
Removes [markdown-it](https://github.com/markdown-it/markdown-it). It's no longer used after updating ancestor dependency [mdsvex](https://github.com/pngwn/MDsveX). These dependencies need to be updated together.
Removes `markdown-it`
Updates `mdsvex` from 0.4.0 to 0.10.6
- [Release notes](https://github.com/pngwn/MDsveX/releases)
- [Commits](https://github.com/pngwn/MDsveX/commits/mdsvex@0.10.6)
---
updated-dependencies:
- dependency-name: markdown-it
dependency-type: indirect
- dependency-name: mdsvex
dependency-type: direct:development
...
Signed-off-by: dependabot[bot] <support@github.com>