chore(deps): update dependency kubernetes-sigs/external-dns to v0.15.0

Author: renovate[bot]

k8s/amour/external_dns/list.cue

@@ -10,7 +10,7 @@ import (
 #Namespace: #Name
 
 // renovate: datasource=github-releases depName=kubernetes-sigs/external-dns extractVersion=^v(?<version>.*)$
-#Version: "0.14.2"
+#Version: "0.15.0"
 
 #List: v1.#List & {
 	apiVersion: "v1"