Migrate to docker image repo (#42)

Author: liamtoozer

ci/deploy_function.yaml

@@ -3,7 +3,7 @@ platform: linux
 image_resource:
   type: registry-image
   source:
-    repository: ((image_registry))/eq-submission-confirmation-consumer-deploy-image
+    repository: ((image_registry))/eq-python-deploy-image
     tag: ((deploy_image_version))
 inputs:
   - name: eq-submission-confirmation-consumer