Bump markdown-it-anchor from 9.0.1 to 9.2.0 (#1186)

Bumps [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor) from 9.0.1 to 9.2.0.
- [Release notes](https://github.com/valeriangalliat/markdown-it-anchor/releases)
- [Changelog](https://github.com/valeriangalliat/markdown-it-anchor/blob/master/CHANGELOG.md)
- [Commits](valeriangalliat/markdown-it-anchor@v9.0.1...v9.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]