fix: upgraded example app to 34

Author: gibahjoe

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 34
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8

example/android/build.gradle

@@ -30,6 +30,13 @@ allprojects {
 }
 
 rootProject.buildDir = '../build'
+subprojects { subproject ->
+    afterEvaluate {
+        android {
+            compileSdkVersion 34
+        }
+    }
+}
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
     project.evaluationDependsOn(':app')