Bump version of puppetlabs-java fixture

Author: Gavin Williams

.fixtures.yml

@@ -11,7 +11,7 @@ fixtures:
       ref: 4.13.1
     java:
       repo: puppetlabs/java
-      ref: 6.2.0
+      ref: 6.5.0
     concat:
       repo: puppetlabs/concat
       ref: 2.2.1