ci: Don't fail validation on unimportant warnings

Author: validcube

.github/workflows/sync_crowdin.yml

@@ -56,7 +56,7 @@ jobs:
         run: |
           dart pub get
           dart run slang
-          dart analyze lib/gen/strings.g.dart
+          flutter analyze lib/gen/strings.g.dart --no-fatal-infos --no-fatal-warnings
 
       - name: Commit translations
         run: |