Update network_label_regex on trove templates

Presently the taskmanager failed during a creation
of a trove cluster.

During the network ip checks, it didn't match the network.

The idea is to configure it to match all network name.
Finally this configuration is the same as for trove.conf.

Closes-bug: #1743395
Change-Id: I9284501424e6daa7d33d1590994bf231de71edd9

ansible/roles/trove/templates/trove-taskmanager.conf.j2

@@ -20,6 +20,8 @@ trove_endpoint_type = internalURL
 
 network_driver = trove.network.neutron.NeutronDriver
 
+network_label_regex = .*
+
 [database]
 connection = mysql+pymysql://{{ trove_database_user }}:{{ trove_database_password }}@{{ trove_database_address }}/{{ trove_database_name }}
 max_retries = -1