retrace: add env suffix
    
    https://pagure.io/fedora-infrastructure/issue/8780
    
    addressing:
    TASK [abrt/faf-pre : install certs for fedora-messaging] ****************************************************************
    Wednesday 25 March 2020  16:47:16 +0000 (0:00:00.799)       0:05:10.000 *******
    changed: [retrace-stg.aws.fedoraproject.org] => (item={u'dest': u'ca.crt', u'src': u'/srv/private/ansible/files/rabbitmq/staging/pki/ca.crt', u'mode': 420, u'owner': u'faf'})
    An exception occurred during task execution. To see the full traceback, use -vvv. The error was: If you are using a module and expect the file to exist on the remote, see the remote_src option
    failed: [retrace-stg.aws.fedoraproject.org] (item={u'dest': u'faf.key', u'src': u'/srv/private/ansible/files/rabbitmq/staging/pki/private/faf.key', u'mode': u'600', u'owner': u'faf'}) => {"ansible_loop_var": "item", "changed": false, "item": {"dest": "faf.key", "mode": "600", "owner": "faf", "src": "/srv/private/ansible/files/rabbitmq/staging/pki/private/faf.key"}, "msg": "Could not find or access '/srv/private/ansible/files/rabbitmq/staging/pki/private/faf.key' on the Ansible Controller.\nIf you are using a module and expect the file to exist on the remote, see the remote_src option"}
    An exception occurred during task execution. To see the full traceback, use -vvv. The error was: If you are using a module and expect the file to exist on the remote, see the remote_src option
    failed: [retrace-stg.aws.fedoraproject.org] (item={u'dest': u'faf.crt', u'src': u'/srv/private/ansible/files/rabbitmq/staging/pki/issued/faf.crt', u'mode': 420, u'owner': u'faf'}) => {"ansible_loop_var": "item", "changed": false, "item": {"dest": "faf.crt", "mode": 420, "owner": "faf", "src": "/srv/private/ansible/files/rabbitmq/staging/pki/issued/faf.crt"}, "msg": "Could not find or access '/srv/private/ansible/files/rabbitmq/staging/pki/issued/faf.crt' on the Ansible Controller.\nIf you are using a module and expect the file to exist on the remote, see the remote_src option"}