Rename all of the modules

This is separate from the previous patch - it's just the results
of running the script so we can review the two a little independently.
We should probably squash them.

Change-Id: I838f15cf4a32455a5be20033c8ddc27db6ca15c0

ci/roles/group/tasks/main.yml

@@ -1,19 +1,19 @@
 ---
 - name: Create group
-  openstack.cloud.os_group:
+  openstack.cloud.identity_group:
      cloud: "{{ cloud }}"
      state: present
      name: "{{ group_name }}"
 
 - name: Update group
-  openstack.cloud.os_group:
+  openstack.cloud.identity_group:
      cloud: "{{ cloud }}"
      state: present
      name: "{{ group_name }}"
      description: "updated description"
 
 - name: Delete group
-  openstack.cloud.os_group:
+  openstack.cloud.identity_group:
      cloud: "{{ cloud }}"
      state: absent
      name: "{{ group_name }}"