TEMP: Use main tag instead of e2e

Author: lentzi90

test/e2e/data/e2e_conf.yaml

@@ -119,8 +119,9 @@ providers:
     - sourcePath: "./infrastructure-openstack/cluster-template-external-cloud-provider.yaml"
     - sourcePath: "./infrastructure-openstack/cluster-template-without-lb.yaml"
     replacements:
+    # TODO(lentzi90): We should use the e2e tag here instead of main
     - old: gcr.io/k8s-staging-capi-openstack/capi-openstack-controller:dev
-      new: gcr.io/k8s-staging-capi-openstack/capi-openstack-controller:e2e
+      new: gcr.io/k8s-staging-capi-openstack/capi-openstack-controller:main
     - old: "imagePullPolicy: Always"
       new: "imagePullPolicy: IfNotPresent"
     - old: "--v=2"