chore(deps): bump micromatch and vuepress-plugin-md-enhance

Bumps [micromatch](https://github.com/micromatch/micromatch) to 4.0.8 and updates ancestor dependency [vuepress-plugin-md-enhance](https://github.com/vuepress-theme-hope/vuepress-theme-hope/tree/HEAD/packages/md-enhance). These dependencies need to be updated together.


Updates `micromatch` from 4.0.5 to 4.0.8
- [Release notes](https://github.com/micromatch/micromatch/releases)
- [Changelog](https://github.com/micromatch/micromatch/blob/master/CHANGELOG.md)
- [Commits](micromatch/micromatch@4.0.5...4.0.8)

Updates `vuepress-plugin-md-enhance` from 1.30.0 to 2.0.0-rc.52
- [Release notes](https://github.com/vuepress-theme-hope/vuepress-theme-hope/releases)
- [Changelog](https://github.com/vuepress-theme-hope/vuepress-theme-hope/blob/main/packages/md-enhance/CHANGELOG.md)
- [Commits](https://github.com/vuepress-theme-hope/vuepress-theme-hope/commits/v2.0.0-rc.52/packages/md-enhance)

---
updated-dependencies:
- dependency-name: micromatch
  dependency-type: indirect
- dependency-name: vuepress-plugin-md-enhance
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>