Fixed jenkins Dockerfile according to PR discussion

library/jenkins

@@ -2,11 +2,11 @@
 # maintainer: Nicolas De Loof <[email protected]> (@ndeloof)
 
 # "latest" is latest _stable_, i.e. latest LTS release
-latest: git://github.com/cloudbees/jenkins-ci.org-docker@b32f552ce052433e53f915c6f40102e2975877b6
-1.565.3: git://github.com/cloudbees/jenkins-ci.org-docker@b32f552ce052433e53f915c6f40102e2975877b6
+latest: git://github.com/cloudbees/jenkins-ci.org-docker@b2b442e360cf92317326fa4e325a81ab1f11a422
+1.565.3: git://github.com/cloudbees/jenkins-ci.org-docker@b2b442e360cf92317326fa4e325a81ab1f11a422
 
 # weekly releases
-weekly: git://github.com/cloudbees/jenkins-ci.org-docker@d317de7bc7cb6f3c4cb2ca4180d9e4674a59e27a
-1.583: git://github.com/cloudbees/jenkins-ci.org-docker@d317de7bc7cb6f3c4cb2ca4180d9e4674a59e27a
+weekly: git://github.com/cloudbees/jenkins-ci.org-docker@f969422940ce4b2cd0bbbdcf31ea96fa2485e86c
+1.583: git://github.com/cloudbees/jenkins-ci.org-docker@f969422940ce4b2cd0bbbdcf31ea96fa2485e86c