Allow to run openstack_resources with tags

In order for the role to be included, when run with tags like
common-service or compute-resources we need to add all tags to the
include itself.

We do not need to apply the tag though,  as we need just to ensure
that include  itself is happening.

Change-Id: Ibb950c99138be291ef0f32866a189d19fd6ad9ea
Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>

playbooks/openstack_resources.yml

@@ -36,3 +36,5 @@
         openstack_resources_network: "{{ openstack_user_network | default({}) }}"
         openstack_resources_image: "{{ openstack_user_image | default({}) }}"
         openstack_resources_coe: "{{ openstack_user_coe | default({}) }}"
+      tags:
+        - always