Release 3.47 (#2879)

Minor updates for release 3.47

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).


If you need help, consider asking for advice on the #hackers-devrel
channel on [Discord].

<!-- Links -->
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md
[CLA]: https://cla.developers.google.com/
[Discord]:
https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md
[Contributors Guide]:
https://github.com/flutter/samples/blob/main/CONTRIBUTING.md
[changelog]: ../CHANGELOG.md

---------

Co-authored-by: Parker Lougheed <parlough@gmail.com>

dynamic_theme/lib/main.dart

@@ -166,7 +166,9 @@ class _ExampleState extends State<Example> {
     try {
       final prompt = StringBuffer();
       prompt.writeln(message);
-      final response = await callWithActions([Content.text(prompt.toString())]);
+      final response = await callWithActions([
+        Content.text(prompt.toString()),
+      ]);
       if (response.text != null) {
         addMessage(Sender.system, response.text!);
       } else {
@@ -209,7 +211,6 @@ class _ExampleState extends State<Example> {
               }),
             );
           }
-          break;
         case 'change_theme_mode':
           final mode = args['mode'] as String;
           themeMode.value = switch (mode) {
@@ -224,7 +225,6 @@ class _ExampleState extends State<Example> {
               'message': 'theme mode updated',
             }),
           );
-          break;
         case 'change_text_scale_factor':
           final value = args['scale'] as num;
           textScaleFactor.value = value.toDouble();
@@ -234,7 +234,6 @@ class _ExampleState extends State<Example> {
               'message': 'font scale updated',
             }),
           );
-          break;
         default:
       }
     }

dynamic_theme/lib/widgets/api_key_widget.dart

@@ -21,7 +21,7 @@ class ApiKeyWidget extends StatelessWidget {
   ApiKeyWidget({super.key, required this.onSubmitted, required this.title});
 
   final String title;
-  final ValueChanged onSubmitted;
+  final ValueChanged<String> onSubmitted;
   final _textController = TextEditingController();
 
   @override