Fix formatting in pubspec.yaml for flutter_quill

Author: ragokan

flutter_quill_extensions/pubspec.yaml

@@ -36,7 +36,7 @@ dependencies:
   web: ">=0.5.0 <2.0.0"
   path: ^1.8.0
 
-  flutter_quill: ^11.0.0
+  flutter_quill:
   photo_view: ^0.15.0
 
   # Plugins