Update build.gradle

Author: hoc081098

build.gradle

@@ -1,11 +1,11 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.4-M1'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
         jcenter()
-        maven { url 'https://dl.bintray.com/kotlin/kotlin-eap' }
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.6.3'
@@ -20,7 +20,7 @@ allprojects {
     repositories {
         google()
         jcenter()
-        maven { url 'https://dl.bintray.com/kotlin/kotlin-eap' }
+        mavenCentral()
     }
 }