Give jenkins permission to read packaging_keytab

Change-Id: I1091e172aa021191a7fc16a3f5b68f1ab05838bd
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

modules/openstack_project/manifests/release_slave.pp

@@ -109,8 +109,8 @@ class openstack_project::release_slave (
   include ::openstack_project::reprepro_mirror
 
   file { '/etc/packaging.keytab':
-    owner   => 'root',
-    group   => 'root',
+    owner   => 'jenkins',
+    group   => 'jenkins',
     mode    => '0400',
     content => $packaging_keytab,
   }