Add ability to push signed tags to tripleo-ipa
This will be managed by the tripleo-ipa-core group.
[access "refs/heads/*"]
abandon = group tripleo-ipa-core
+create = group tripleo-ipa-core
label-Code-Review = -2..+2 group tripleo-ipa-core
label-Workflow = -1..+1 group tripleo-ipa-core
+[access "refs/tags/*"]
+pushSignedTag = group tripleo-ipa-core
+
[receive]
requireChangeId = true
