Change kotlin version 1.6.20-dev-7317 to 1.6.20-M1

Author: tschuchortdev

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext.kotlin_version = '1.6.10'
-    ext.embedded_kotlin_version =  '1.6.20-dev-7317'//'1.6.20-M1-1.0.2'
+    ext.embedded_kotlin_version =  '1.6.20-M1'//'1.6.20-M1-1.0.2'
 
     repositories {
         mavenCentral()