Use dev sdk

Author: mosuem

.github/workflows/health.yaml

@@ -8,6 +8,7 @@ jobs:
   health:
     uses: dart-lang/ecosystem/.github/workflows/health.yaml@main
     with:
+      sdk: dev
       ignore_coverage: "**.mock.dart,**.g.dart,pkgs/lints/*"
       ignore_license: "**.mock.dart,**.g.dart,**.mocks.dart,pkgs/platform/*"
     permissions: