build(deps): bump markdown-it and @types/markdown-it

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) and [@types/markdown-it](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/markdown-it). These dependencies needed to be updated together.

Updates `markdown-it` from 13.0.2 to 14.1.0
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@13.0.2...14.1.0)

Updates `@types/markdown-it` from 13.0.7 to 14.1.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/markdown-it)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/markdown-it"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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