Merge pull request #122 from AppDevNext/dependabot/gradle/master/org.jetbrains.kotlin-kotlin-gradle-plugin-1.8.21

Bump org.jetbrains.kotlin:kotlin-gradle-plugin from 1.8.10 to 1.8.21

Author: hannesa2

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.8.10'
+    ext.kotlin_version = '1.8.21'
 
     repositories {
         google()