fix(github action): treat warnings/info as nonfatal

.github/workflows/flutter.yml

@@ -5,14 +5,6 @@ on:
       - '*'
     branches:
       - delta
-  workflow_dispatch:
-    inputs:
-      logLevel:
-        description: 'Log level'     
-        required: true
-        default: 'warning'
-      tags:
-        description: 'Test scenario tags'
 
 jobs:
   build:
@@ -31,7 +23,7 @@ jobs:
       - name: Install dependencies
         run: flutter pub get
       - name: Analyze project source
-        run: dart analyze 
+        run: dart analyze --fatal-warnings=false
       - name: Run tests
         run: flutter test --no-test-assets --disable-service-auth-codes --coverage
       - name: Build APK