Merge pull request #339 from arnested/dependabot/github_actions/DavidAnson/markdownlint-cli2-action-21

Bump DavidAnson/markdownlint-cli2-action from 20 to 21

Author: arnested

.github/workflows/lint.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Run markdownlint
-        uses: DavidAnson/markdownlint-cli2-action@v20
+        uses: DavidAnson/markdownlint-cli2-action@v21
   yamllint:
     name: YAML
     runs-on: ubuntu-24.04