chore: build script

Author: tomasbjerre

build.gradle

@@ -1,11 +1,12 @@
 plugins {
-	id "se.bjurr.gradle.bundle-jar-shadow" version "1.1.1"
+	id "se.bjurr.gradle.bundle-jar-shadow" version "1.3.0"
 	id "org.jsonschema2pojo" version "1.2.2" apply false
 }
 
 allprojects {
-	sourceCompatibility = 11
-	targetCompatibility = 11
+	javaExtension {
+		javaVersion = 11
+	}
 
 	staticCodeAnalysisExtension {
 		maxViolations.set(0)