Bump go_router from 6.5.9 to 7.0.0 in /game_template (#1761)

Bumps
[go_router](https://github.com/flutter/packages/tree/main/packages) from
6.5.9 to 7.0.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="b01736711c"><code>b017367</code></a>
[go_router] Cleans up route match API and introduces dart fix (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3819">#3819</a>)</li>
<li><a
href="2f95ecda81"><code>2f95ecd</code></a>
[camerax] Add <code>LifecycleOwner</code> Proxy (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3837">#3837</a>)</li>
<li><a
href="815cfca847"><code>815cfca</code></a>
[file_selector] Add getDirectoryPaths implementation for Windows (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3704">#3704</a>)</li>
<li><a
href="6dc28c9c3f"><code>6dc28c9</code></a>
[various] Update Android example min SDKs (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3847">#3847</a>)</li>
<li><a
href="1a90429ac1"><code>1a90429</code></a>
[camerax] Implement Image Streaming (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3454">#3454</a>)</li>
<li><a
href="124e330a2b"><code>124e330</code></a>
[various] update agp and gradle for all examples in packages (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3822">#3822</a>)</li>
<li><a
href="c71747df2c"><code>c71747d</code></a>
Update xcode to 14c18 (<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3774">#3774</a>)</li>
<li><a
href="3dc59f914d"><code>3dc59f9</code></a>
[camera_android] Add NV21 as an image stream format <a
href="https://github.com/flutter/packages/tree/main/packages/issues/3277">#3277</a>
(<a
href="https://github.com/flutter/packages/tree/main/packages/issues/3639">#3639</a>)</li>
<li>See full diff in <a
href="https://github.com/flutter/packages/commits/go_router-v7.0.0/packages">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <support@github.com>
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Co-authored-by: Brett Morgan <brettmorgan@google.com>

game_template/lib/main.dart

@@ -142,7 +142,8 @@ class MyApp extends StatelessWidget {
                   GoRoute(
                     path: 'session/:level',
                     pageBuilder: (context, state) {
-                      final levelNumber = int.parse(state.params['level']!);
+                      final levelNumber =
+                          int.parse(state.pathParameters['level']!);
                       final level = gameLevels
                           .singleWhere((e) => e.number == levelNumber);
                       return buildMyTransition<void>(

game_template/pubspec.yaml

@@ -15,7 +15,7 @@ dependencies:
 
   audioplayers: ^4.0.0
   cupertino_icons: ^1.0.2
-  go_router: ^6.0.1
+  go_router: ^7.0.0
   logging: ^1.1.0
   provider: ^6.0.2
   shared_preferences: ^2.0.13