fix(ci): use markdown lint action

.gitea/workflows/markdown-linters.yaml

@@ -17,12 +17,6 @@ jobs:
     - ubuntu-latest
     steps:
     - uses: actions/checkout@v4.2.2
-    - name: "Execute markdownlint"
+    - uses: DavidAnson/markdownlint-cli2-action@v19
-      run: |
+      with:
-        ls -la
+        globs: '**/*.md'
-        docker run \
-          --rm \
-          --volume $(pwd):$(pwd) \
-          --workdir $(pwd) \
-            git.cryptic.systems/volker.raschek/markdownlint:0.44.0 \
-              .