chmod groovy home so other users can use volume

library/groovy

@@ -1,6 +1,6 @@
 Maintainers: Keegan Witt <[email protected]> (@keeganwitt)
 GitRepo: https://github.com/groovy/docker-groovy.git
-GitCommit: 6301e19926a4668ac470e4ce9b850e4b9380bfc3
+GitCommit: d4782a5dc5d4a5b0e6546e548b1b97efa9e3bd2b
 
 Tags: 3.0.4-jdk8, 3.0-jdk8, 3.0.4-jdk, 3.0-jdk, jdk8, jdk
 Architectures: amd64, ppc64le, s390x