feat: move lws controller replicas to global values (#358)

Author: Whitea029

chart/templates/lws/leaderworkerset.yaml

@@ -16667,7 +16667,7 @@ metadata:
   name: lws-controller-manager
   namespace: {{ .Values.leaderWorkerSet.namespace | default "lws-system" }}
 spec:
-  replicas: 2
+  replicas: {{ .Values.leaderWorkerSet.controller.replicas }}
   selector:
     matchLabels:
       control-plane: controller-manager

chart/values.global.yaml

@@ -26,6 +26,8 @@ backendRuntime:
 leaderWorkerSet:
   enabled: true
   namespace: "llmaz-system"
+  controller:
+    replicas: 1
 
 prometheus:
   # Prometheus is required to enable smart routing.