Update agb, kotlin and gradle version of the example

example/android/build.gradle

@@ -1,14 +1,14 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 buildscript {
-    ext.kotlin_version = '1.9.20'
+    ext.kotlin_version = '1.9.21'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.3'
+        classpath 'com.android.tools.build:gradle:8.1.4'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-all.zip