Deps update, utilize super.key (#1265)

* Deps update, utilize `super.key`

* `flutter format`

game_template/lib/src/style/confetti.dart

@@ -32,8 +32,8 @@ class Confetti extends StatefulWidget {
   const Confetti({
     this.colors = _defaultColors,
     this.isStopped = false,
-    Key? key,
-  }) : super(key: key);
+    super.key,
+  });
 
   @override
   State<Confetti> createState() => _ConfettiState();

game_template/lib/src/style/my_transition.dart

@@ -42,8 +42,7 @@ class _MyReveal extends StatefulWidget {
     required this.child,
     required this.animation,
     required this.color,
-    Key? key,
-  }) : super(key: key);
+  });
 
   @override
   State<_MyReveal> createState() => _MyRevealState();

game_template/lib/src/style/responsive_screen.dart

@@ -28,8 +28,8 @@ class ResponsiveScreen extends StatelessWidget {
     required this.rectangularMenuArea,
     this.topMessageArea = const SizedBox.shrink(),
     this.mainAreaProminence = 0.8,
-    Key? key,
-  }) : super(key: key);
+    super.key,
+  });
 
   @override
   Widget build(BuildContext context) {