Raise Android SDK requirements

android/app/build.gradle.kts

@@ -795,7 +795,7 @@ fun computeApplicationId(): String {
 
 android {
     namespace = "io.openim.flutter.openim"
-    compileSdk = flutter.compileSdkVersion
+    compileSdk = 36
     ndkVersion = "27.0.12077973" // 使用已存在的NDK版本，避免下载问题
 
     compileOptions {
@@ -948,7 +948,7 @@ android {
         
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
-        minSdk = flutter.minSdkVersion
+        minSdk = 23
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName