updates k8s urls to use prime repo

edge-image-builder-image/artifacts.yaml

@@ -11,9 +11,9 @@ kubernetes:
     selinuxPackage: k3s-selinux-1.6-1.slemicro.noarch
     selinuxRepository: https://rpm.rancher.io/k3s/stable/common/slemicro/noarch
     selinuxRepositoryPriority: 1
-    releaseURL: https://github.com/k3s-io/k3s/releases/download/
+    releaseURL: https://prime.ribs.rancher.io/k3s/
   rke2:
     selinuxPackage: rke2-selinux
     selinuxRepository: https://rpm.rancher.io/rke2/stable/common/slemicro/noarch
     selinuxRepositoryPriority: 1
-    releaseURL: https://github.com/rancher/rke2/releases/download/
+    releaseURL: https://prime.ribs.rancher.io/rke2/