Add enum-compat for upstream requirements

This patch can be reverted once enum-compat is un upper-constriants.txt

Change-Id: I0a32d4aca22bf592b80479a01151e67e91232259

playbooks/loci-builder.yaml

@@ -13,6 +13,9 @@
             tag: "{{ branch }}-{{ item.name }}"
             repository: 172.17.0.1:5000/loci/requirements
             push: yes
+            buildargs:
+              # NOTE(SamYaple): enum-compat isnt in upper-constraints yet
+              PIP_PACKAGES: "enum-compat"
           with_items: "{{ distros }}"
           async: 1000
           poll: 0