Bump go_router from 10.2.0 to 11.0.0 in /game_template (#2029)

Bumps [go_router](https://github.com/flutter/packages/tree/main/packages) from 10.2.0 to 11.0.0.
<details>
<summary>Commits</summary>
<ul>
<li><a href="55b7293656"><code>55b7293</code></a> [go_router] Fixes the GoRouter.goBranch so that it doesn't reset extr… (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4723">#4723</a>)</li>
<li><a href="7eee49a471"><code>7eee49a</code></a> [webview_flutter_wkwebview] Adds WKWebView implementation to override console...</li>
<li><a href="d0411e450a"><code>d0411e4</code></a> [various] Update invalid NSURL tests (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4959">#4959</a>)</li>
<li><a href="51e74b9750"><code>51e74b9</code></a> [ios_platform_images] Convert to Pigeon (<a href="https://github.com/flutter/packages/tree/main/packages/issues/4945">#4945</a>)</li>
<li><a href="d08ebfd2b7"><code>d08ebfd</code></a> [go_router_builder] Generate initialLocation with StatefulShellBranchConfig (...</li>
<li>See full diff in <a href="https://github.com/flutter/packages/commits/go_router-v11.0.0/packages">compare view</a></li>
</ul>
</details>
<br />

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game_template/pubspec.yaml

@@ -15,7 +15,7 @@ dependencies:
 
   audioplayers: ^5.1.0
   cupertino_icons: ^1.0.2
-  go_router: ^10.1.2
+  go_router: ^11.0.0
   logging: ^1.1.0
   provider: ^6.0.2
   shared_preferences: ^2.0.13