Install EPEL when using os_images

Author: Alex-Welsh

ansible/group_vars/all/os_images

@@ -0,0 +1,4 @@
+---
+# Whether to enable the CRB repository and install the EPEL repository before
+# installing packages. Default is false
+os_images_install_epel_repo: true

requirements.yml

@@ -3,4 +3,4 @@ collections:
   - name: openstack.cloud
     version: 2.4.1
   - name: stackhpc.openstack
-    version: 0.4.1
+    version: 0.5.3