chore(deps): bump DavidAnson/markdownlint-cli2-action (#4006)

Bumps [DavidAnson/markdownlint-cli2-action](https://github.com/davidanson/markdownlint-cli2-action) from 24.1.0 to 24.2.0.
- [Release notes](https://github.com/davidanson/markdownlint-cli2-action/releases)
- [Commits](DavidAnson/markdownlint-cli2-action@6bf21b0...21c1be1)

---
updated-dependencies:
- dependency-name: DavidAnson/markdownlint-cli2-action
  dependency-version: 24.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

.github/workflows/lint.yml

@@ -37,7 +37,7 @@ jobs:
           fi
 
       - name: Run markdownlint-cli2
-        uses: DavidAnson/markdownlint-cli2-action@6bf21b07787794f89a243495939cd651942aeabe # v24.1.0
+        uses: DavidAnson/markdownlint-cli2-action@21c1be1b93ad9ed58fa840aacc3f279cde2a72ff # v24.2.0
         with:
           globs: |
             '**/*.md'