neutron: fix placement endpoint type configuration

Change-Id: I3362bd283eb7fb80f5da70f2a388f89f220617ea
Closes-Bug: #1960503

ansible/roles/neutron/templates/neutron.conf.j2

@@ -185,7 +185,7 @@ user_domain_name = {{ default_user_domain_name }}
 project_name = service
 project_domain_name = {{ default_project_domain_name }}
 os_region_name = {{ openstack_region_name }}
-os_interface = internal
+endpoint_type = internal
 cafile = {{ openstack_cacert }}
 region_name = {{ openstack_region_name }}
 

releasenotes/notes/neutron-placement-endpoint-type-90073ba5ecc9e663.yaml

+---
+fixes:
+  - |
+    Fixes the configuration option setting the type of endpoint used by Neutron
+    to send requests to Placement.
+    `LP#1960503 <https://bugs.launchpad.net/kolla-ansible/+bug/1960503>`__