[platform_channels] Bump go_router to 10.1.0 (#1999)

## Description 

Bumps go_router to 10.1.0 and updates test case.

## 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 updated/added relevant documentation (doc comments with `///`).
- [x] All existing and new tests are passing.

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channel on [Discord].

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[Flutter Style Guide]:
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platform_channels/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
     sdk: flutter
 
   cupertino_icons: ^1.0.3
-  go_router: ^8.0.0
+  go_router: ^10.1.0
 
 dev_dependencies:
   analysis_defaults:

platform_channels/test/src/add_pet_details_test.dart

@@ -39,7 +39,8 @@ void main() {
       expect(petList.last['breed'], 'Persian');
 
       // Navigate back to /petListScreen
-      expect(router.location, '/petListScreen');
+      await tester.pumpAndSettle();
+      expect(router.routeInformationProvider.value.uri.path, '/petListScreen');
     });
   });
 }