chore(deps): bump ValentinVignal/action-dart-analyze from 1.1 to 2.1

Bumps [ValentinVignal/action-dart-analyze](https://github.com/valentinvignal/action-dart-analyze) from 1.1 to 2.1.
- [Release notes](https://github.com/valentinvignal/action-dart-analyze/releases)
- [Changelog](https://github.com/ValentinVignal/action-dart-analyze/blob/main/CHANGELOG.md)
- [Commits](ValentinVignal/action-dart-analyze@v1.1...v2.1)

---
updated-dependencies:
- dependency-name: ValentinVignal/action-dart-analyze
  dependency-version: '2.1'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/analyze.yaml

@@ -45,7 +45,7 @@ jobs:
         run: dart pub upgrade
 
       - name: 🕵️ Analyze code
-        uses: ValentinVignal/action-dart-analyze@v1.1
+        uses: ValentinVignal/action-dart-analyze@v2.1
         if: ${{ github.event_name == 'pull_request' }}
         with:
           fail-on: "format"