Merge pull request #169 from AppDevNext/dependabot/gradle/master/org.jetbrains.kotlin-kotlin-gradle-plugin-1.9.21

Bump org.jetbrains.kotlin:kotlin-gradle-plugin from 1.9.20 to 1.9.21

Author: hannesa2

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.9.20'
+    ext.kotlin_version = '1.9.21'
 
     repositories {
         google()