chore(deps): update davidanson/markdownlint-cli2-action digest to 30a0e04 (#277)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/md-lint.yml

@@ -20,4 +20,4 @@ jobs:
         uses: actions/checkout@71cf2267d89c5cb81562390fa70a37fa40b1305e
 
       - name: Run the markdownlint action
-        uses: DavidAnson/markdownlint-cli2-action@6d4a055237f335b06e764242f92b0e062e7f962d
+        uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63