Bump subosito/flutter-action from 2.10.0 to 2.11.0

Bumps [subosito/flutter-action](https://github.com/subosito/flutter-action) from 2.10.0 to 2.11.0.
- [Release notes](https://github.com/subosito/flutter-action/releases)
- [Commits](subosito/flutter-action@48cafc2...cc97e16)

---
updated-dependencies:
- dependency-name: subosito/flutter-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/flutter_markdown.yaml

@@ -32,7 +32,7 @@ jobs:
 
       # Install the Flutter SDK using the subosito/flutter-action GitHub action.
       - name: install the flutter sdk
-        uses: subosito/flutter-action@48cafc24713cca54bbe03cdc3a423187d413aafa
+        uses: subosito/flutter-action@cc97e1648fff6ca5cc647fa67f47e70f7895510b
         with:
           channel: 'beta'