upgrade gecko. gradle, deps

packages/simple_intent_receiver/example/android/app/build.gradle.kts

@@ -1,13 +1,12 @@
 plugins {
     id("com.android.application")
-    id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")
 }
 
 android {
     namespace = "eu.weblibre.simple_intent_receiver_example"
-    compileSdk = flutter.compileSdkVersion
+    compileSdk = 37
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
@@ -15,10 +14,6 @@ android {
         targetCompatibility = JavaVersion.VERSION_11
     }
 
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_11.toString()
-    }
-
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "eu.weblibre.simple_intent_receiver_example"
@@ -39,6 +34,12 @@ android {
     }
 }
 
+kotlin {
+    compilerOptions {
+        jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_11)
+    }
+}
+
 flutter {
     source = "../.."
 }