Merge branch 4.x

platforms/android/aar-template/OpenCV/build.gradle.template

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.library'
     id 'maven-publish'
+    id 'kotlin-android'
 }
 
 android {

platforms/android/aar-template/build.gradle

@@ -1,4 +1,5 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.library' version '7.3.0' apply false
+    id 'org.jetbrains.kotlin.android' version '1.8.20' apply false
 }

platforms/android/ndk-25.config.py

@@ -9,7 +9,7 @@ cmake_common_vars = {
     # Docs: https://developer.android.com/studio/releases/gradle-plugin
     'ANDROID_GRADLE_PLUGIN_VERSION': '7.3.1',
     'GRADLE_VERSION': '7.5.1',
-    'KOTLIN_PLUGIN_VERSION': '1.5.20',
+    'KOTLIN_PLUGIN_VERSION': '1.8.20',
 }
 ABIs = [
     ABI("2", "armeabi-v7a", None, ndk_api_level=ANDROID_NATIVE_API_LEVEL, cmake_vars=cmake_common_vars),