Bug fix Kotlin version issue

Author: codewith-usama

android/app/build.gradle

@@ -3,6 +3,11 @@ plugins {
     id "kotlin-android"
     id "dev.flutter.flutter-gradle-plugin"
 }
+kotlin {
+    androidExtensions {
+        experimental = true
+    }
+}
 
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')

android/build.gradle

@@ -6,8 +6,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.android.tools.build:gradle:7.0.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.21"
     }
 }