Merge pull request #115 from juliansteenbakker/dependabot/gradle/example/android…

…/kotlin_version-1.6.21

build(deps): bump kotlin_version from 1.6.20 to 1.6.21 in /example/android

 buildscript {
 buildscript {
-    ext.kotlin_version = '1.6.20'
+    ext.kotlin_version = '1.6.21'
     repositories {
     repositories {
         google()
         google()
         mavenCentral()
         mavenCentral()