doc: change latest to v0.4.0

Author: andyzhangx

deploy/csi-blobfuse-controller.yaml

@@ -100,7 +100,7 @@ spec:
               cpu: 10m
               memory: 20Mi
         - name: blobfuse
-          image: mcr.microsoft.com/k8s/csi/blobfuse-csi:latest
+          image: mcr.microsoft.com/k8s/csi/blobfuse-csi:v0.4.0
           args:
             - "--v=5"
             - "--endpoint=$(CSI_ENDPOINT)"

deploy/csi-blobfuse-node.yaml

@@ -63,7 +63,7 @@ spec:
               cpu: 10m
               memory: 20Mi
         - name: blobfuse
-          image: mcr.microsoft.com/k8s/csi/blobfuse-csi:latest
+          image: mcr.microsoft.com/k8s/csi/blobfuse-csi:v0.4.0
           args:
             - "--v=5"
             - "--endpoint=$(CSI_ENDPOINT)"