feat(observability): Switched to static endpoints due to bug in CRD selector

CRD selected the wrong port otherwise

template/stacks/observability/victoria-k8s-stack/manifests/vmauth.yaml

@@ -7,13 +7,9 @@ spec:
   username: simple-user
   password: simple-password
   targetRefs:
-    - crd:
-        kind: VMSingle
-        name: victoria-k8s-stack-victoria-metrics-k8s-stack
-        namespace: observability
+    - static:
+        url: http://vmsingle-victoria-k8s-stack-victoria-metrics-k8s-stack:8429
       paths: ["/api/v1/write/.*"]
-    - crd:
-        kind: VLogs
-        name: victorialogs
-        namespace: observability
+    - static:
+        url: http://vlogs-victorialogs:9428
       paths: ["/insert/elasticsearch/.*"]