Bump markdownlint from 0.38.0 to 0.39.0 (#215389)

Bumps [markdownlint](https://github.com/DavidAnson/markdownlint) from 0.38.0 to 0.39.0.
- [Changelog](https://github.com/DavidAnson/markdownlint/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint@v0.38.0...v0.39.0)

---
updated-dependencies:
- dependency-name: markdownlint
  dependency-version: 0.39.0
  dependency-type: direct:development
  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]