OCPBUGS-50489: Add missing service ports to apiserver service

Add ports 6080 (insecure-readyz) and 17697 (check-endpoints) to the
apiserver service. These ports were already exposed by the pods
but missing from the service definition, preventing EndpointSlice
creation for communication matrix documentation (for mor details see [bug](https://issues.redhat.com/browse/OCPBUGS-50489) description)

Author: shirmoran

bindata/assets/kube-apiserver/svc.yaml

@@ -11,3 +11,12 @@ spec:
   - name: https
     port: 443
     targetPort: 6443
+    protocol: TCP
+  - name: insecure-readyz
+    port: 6080
+    targetPort: 6080
+    protocol: TCP
+  - name: check-endpoints
+    port: 17697
+    targetPort: 17697
+    protocol: TCP