TEST: third iteration

docker/gcp_pudl_etl.sh

@@ -97,7 +97,7 @@ function notify_slack() {
 function update_nightly_branch() {
     # When building the image, GHA adds an HTTP basic auth header in git
     # config, which overrides the auth we set below. So we unset it.
-    echo "TEST: Second iteration"
+    echo "TEST: Third iteration"
 }
 
 function clean_up_outputs_for_distribution() {