fix(k8s): rename deployment/service/ingress to news-site

Align new manifest names with the live deployment so CI replaces
the existing news-site deployment instead of creating a parallel
signalledger one.

Changes:
- deployment name: signalledger -> news-site
- service name: signalledger -> news-site
- ingress name: signalledger -> news-site
- selector labels: app.kubernetes.io/name -> app: news-site
- ingress backend service: signalledger -> news-site
- ingress hosts: add news.claw.jopdorp.nl, keep signalledger.nl + www
- TLS secret: signalledger-tls -> news-site-tls (existing live secret)
- CI rollout target: deployment/signalledger -> deployment/news-site

k8s/deployment.yaml

@@ -1,10 +1,10 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: signalledger
+  name: news-site
   namespace: openclaw-private
   labels:
-    app.kubernetes.io/name: signalledger
+    app: news-site
     app.kubernetes.io/component: frontend
     app.kubernetes.io/part-of: signalledger
     app.kubernetes.io/managed-by: gitea-actions
@@ -17,16 +17,16 @@ spec:
       maxUnavailable: 0
   selector:
     matchLabels:
-      app.kubernetes.io/name: signalledger
+      app: news-site
   template:
     metadata:
       labels:
-        app.kubernetes.io/name: signalledger
+        app: news-site
         app.kubernetes.io/component: frontend
         app.kubernetes.io/part-of: signalledger
     spec:
       containers:
-        - name: signalledger
+        - name: news-site
           image: registry.claw.jopdorp.nl/signalledger:latest
           imagePullPolicy: Always
           ports: