ci: disable coverage requirement (set min_coverage to 0)

Author: it5prasoon

.github/workflows/main.yaml

@@ -20,6 +20,7 @@ jobs:
     uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/flutter_package.yml@v1
     with:
       flutter_channel: stable
+      min_coverage: 0
 
   spell-check:
     uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/spell_check.yml@v1