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

Author: renovate[bot]

.github/workflows/ci-markdown-checks.yml

@@ -19,7 +19,7 @@ jobs:
 
       # equivalent cli: markdownlint-cli2  "**/*.md" "#**/CHANGELOG.md"  --config .markdownlint.json
       - name: "Markdown Lint Check"
-        uses: DavidAnson/markdownlint-cli2-action@07035fd053f7be764496c0f8d8f9f41f98305101 # v21
+        uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63 # v21
         with:
           config: .markdownlint.json
           fix: false