ci(bstein-home): use harbor frontend runners

Jenkinsfile

@@ -15,7 +15,7 @@ spec:
     node-role.kubernetes.io/worker: "true"
   containers:
     - name: dind
-      image: docker:27-dind
+      image: registry.bstein.dev/bstein/docker:27-dind
       securityContext:
         privileged: true
       env:
@@ -29,7 +29,7 @@ spec:
         - name: dind-storage
           mountPath: /var/lib/docker
     - name: builder
-      image: docker:27
+      image: registry.bstein.dev/bstein/docker:27
       command: ["cat"]
       tty: true
       env:
@@ -52,7 +52,7 @@ spec:
         - name: workspace-volume
           mountPath: /home/jenkins/agent
     - name: frontend
-      image: mcr.microsoft.com/playwright:v1.59.1-jammy
+      image: registry.bstein.dev/bstein/playwright:v1.59.1-jammy
       command: ["cat"]
       tty: true
       volumeMounts: