Bump version to 4.2.0-SNAPSHOT for 4.2.0 release

Author: JaidenAshmore

build.gradle.kts

@@ -18,7 +18,7 @@ plugins {
 
 allprojects {
     group = "com.jashmore"
-    version = "4.1.1-SNAPSHOT"
+    version = "4.2.0-SNAPSHOT"
 
     repositories {
         mavenCentral()