update to netbeans 16 to fix build

gradle.properties

@@ -8,4 +8,4 @@ jmeVersionTag = stable
 #jmeVersionTagID = 0
 
 # Path for downloading NetBeans Base
-netbeansUrl = https://dlcdn.apache.org/netbeans/netbeans/15/netbeans-15-bin.zip
+netbeansUrl = https://dlcdn.apache.org/netbeans/netbeans/16/netbeans-16-bin.zip