feat(maintenance): Simplify and speed up markdownlint

Signed-off-by: GitHub <noreply@github.com>

.github/workflows/lint-markdown.yml

@@ -17,10 +17,8 @@ jobs:
       - uses: actions/checkout@v3.5.3
       - name: markdownlint
         run: |
-          find "${GITHUB_WORKSPACE}" -name '*.md' -exec \
-            docker run --rm \
-            -v "${GITHUB_WORKSPACE}":"${GITHUB_WORKSPACE}" \
-            -v "${GITHUB_WORKSPACE}/.markdownlint.jsonc":"/config/.markdownlint.jsonc" \
+          docker run --rm \
+            -v "${GITHUB_WORKSPACE}":/data \
             markdownlint/markdownlint \
-            -c "/config/.markdownlint.jsonc" \
-            {} +
+            -c "/data/.markdownlint.jsonc" \
+            .