Merge pull request #8 from ashtanko/renovate/dart-3.x

chore(deps): update dart docker tag to v3.7

Author: ashtanko

.github/workflows/coverage.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: dart:3.0
+      image: dart:3.7
 
     steps:
       - uses: actions/checkout@v3