Update external-snapshotter version

Update the external-snapshotter version to the latest

Author: jingxu97

deploy/kubernetes/overlays/dev/controller_images.yaml

@@ -12,7 +12,7 @@ spec:
           image: gcr.io/gke-release/csi-attacher:v1.0.1-gke.0
         - name: csi-snapshotter
           imagePullPolicy: Always
-          image: quay.io/k8scsi/csi-snapshotter:v0.4.0
+          image: quay.io/k8scsi/csi-snapshotter:v1.0.1
           args:
             - "--v=5"
             - "--csi-address=$(ADDRESS)"