Add support for JDK22 env var for Gradle toolchains

Author: marcphilipp

gradle.properties

@@ -21,7 +21,7 @@ org.gradle.jvmargs=-Xmx1g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryEr
   --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED
 org.gradle.caching=true
 org.gradle.parallel=true
-org.gradle.java.installations.fromEnv=JDK8,JDK18,JDK19,JDK20,JDK21
+org.gradle.java.installations.fromEnv=JDK8,JDK18,JDK19,JDK20,JDK21,JDK22
 org.gradle.kotlin.dsl.allWarningsAsErrors=true
 
 # Test Distribution