Fix tag for cluster-api-aws-controller (kubernetes-sigs#605)

Author: detiber

.bazelrc

@@ -1,5 +1,5 @@
 build --define=MANAGER_IMAGE_NAME=cluster-api-aws-controller
-build --define=MANAGER_IMAGE_TAG=0.1.0
+build --define=MANAGER_IMAGE_TAG=0.0.4
 build --define=REGISTRY_STABLE=gcr.io/cluster-api-provider-aws
 
 build --workspace_status_command=./hack/print-workspace-status.sh