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>

compass_app/app/test/utils/command_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
+
 import 'package:compass_app/utils/command.dart';
 import 'package:compass_app/utils/result.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -53,10 +55,10 @@ void main() {
       final future = command.execute();
 
       // Run multiple times
-      command.execute();
-      command.execute();
-      command.execute();
-      command.execute();
+      unawaited(command.execute());
+      unawaited(command.execute());
+      unawaited(command.execute());
+      unawaited(command.execute());
 
       // Await execution
       await future;