also build the other images

Author: jiridanek

.github/actions/skupper-integration-tests/action.yml

@@ -93,6 +93,9 @@ runs:
         shell: bash
         working-directory: skupper
         env:
+          # not used, so far; but have to build somewhere we have perms to push
+          TEST_IMAGE: 'localhost:32000/skupper-test:registry'
+
           SERVICE_CONTROLLER_IMAGE: 'localhost:32000/skupper-service-controller:registry'
           SITE_CONTROLLER_IMAGE: 'localhost:32000/skupper-site-controller:registry'
           CONFIG_SYNC_IMAGE: 'localhost:32000/skupper-config-sync:registry'