pubspec.yaml: Change feedback to url to our git repo

In order to add more translations.

src/ui/flutter_app/lib/main.dart

@@ -39,6 +39,7 @@ Future<void> main() async {
   var catcher = Catcher(
       rootWidget: BetterFeedback(
         child: SanmillApp(),
+        //localeOverride: Locale(Resources.of().languageCode),
       ),
       ensureInitialized: true);
 

src/ui/flutter_app/pubspec.yaml

@@ -27,7 +27,9 @@ dependencies:
   double_back_to_close_app: ^2.0.1
   flutter_picker: ^2.0.1
   flutter_email_sender: ^5.0.1
-  feedback: ^2.0.0
+  feedback:
+    git:
+      url: git://github.com/calcitem/feedback.git
   #pref: ^2.3.0
   #screen_recorder: ^0.0.2