Migrate config cache flag

Author: Goooler

gradle.properties

@@ -2,7 +2,7 @@
 org.gradle.jvmargs=-Xmx4g -XX:MaxMetaspaceSize=1024m -Dfile.encoding=UTF-8
 org.gradle.parallel=true
 org.gradle.caching=true
-org.gradle.unsafe.configuration-cache=true
+org.gradle.configuration-cache=true
 
 name=spotless
 description=Spotless - keep your code spotless with Gradle