chore: set smaller replica

Author: andyzhangx

charts/latest/blobfuse-csi-driver/values.yaml

@@ -31,4 +31,4 @@ rbac:
   create: true
 
 controller:
-  replicas: 3
+  replicas: 2

deploy/csi-blobfuse-controller.yaml

@@ -5,7 +5,7 @@ metadata:
   name: csi-blobfuse-controller
   namespace: kube-system
 spec:
-  replicas: 3
+  replicas: 2
   selector:
     matchLabels:
       app: csi-blobfuse-controller