Merge pull request #459 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

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Run markdownlint
-        uses: DavidAnson/markdownlint-cli2-action@v20
+        uses: DavidAnson/markdownlint-cli2-action@v21
   yamllint:
     name: Yamllint
     runs-on: ubuntu-22.04