[go_router] Bump example compileSdkVersion and package_info_plus dependency version (flutter#3219)

* Fix roll

* Fix fix

* Remove dependency

Author: camsim99

packages/go_router/example/android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8

packages/go_router/example/pubspec.yaml

@@ -17,7 +17,6 @@ dependencies:
   go_router:
     path: ..
   logging: ^1.0.0
-  package_info_plus: ^1.3.0
   provider: ^6.0.0
   shared_preferences: ^2.0.11
   url_launcher: ^6.0.7