csi-gcs: Cannot mount volume with non-root user

Steps

• kubectl create namespace csi-gcs
• kubectl create secret generic csi-gcs-secret --from-literal=bucket=my-gcs-bucket --from-file=key=./key.json --namespace csi-gcs
• kubectl apply -f csi-gcs-sc.yaml

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: csi-gcs
  namespace: csi-gcs
provisioner: gcs.csi.ofek.dev
volumeBindingMode: Immediate
allowVolumeExpansion: false
reclaimPolicy: Retain
parameters:
  csi.storage.k8s.io/node-publish-secret-name: csi-gcs-secret
  csi.storage.k8s.io/node-publish-secret-namespace: csi-gcs

• kubectl apply -f csi-gcs-pv.yaml

apiVersion: v1
kind: PersistentVolume
metadata:
  name: csi-gcs-pv
  namespace: csi-gcs
 #annotations:
   #pv.beta.kubernetes.io/gid: "1000"
spec:
  accessModes:
  - ReadWriteOnce
  capacity:
    storage: 50Gi
  persistentVolumeReclaimPolicy: Retain
  storageClassName: csi-gcs
  csi:
    driver: gcs.csi.ofek.dev
    volumeHandle: csi-gcs
    nodePublishSecretRef:
      name: csi-gcs-secret
      namespace: csi-gcs

• kubectl apply -f csi-gcs-pvc

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: csi-gcs-pvc
  namespace: csi-gcs
  labels:
    app: csi-gcs-example
spec:
  storageClassName: csi-gcs
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 50Gi

Tried to chown objects with initcontainers command

• kubectl apply -f csi-gcs-test.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: csi-gcs-test
  namespace: csi-gcs
  labels:
    app: csi-gcs-test
spec:
  selector:
    matchLabels:
      app: csi-gcs-test      
  template:
    metadata:
      labels:
        app: csi-gcs-test
    spec:
      initContainers:
      - name: chown-er
        image: busybox:latest
        securityContext:
          runAsUser: 0
        command:
        - /bin/chown
        - -R
        - "1000:1000"
        - /data
        volumeMounts:
        - name: csi-gcs-pvc
          mountPath: /data
      containers:
      - name: writer
        image: busybox
        command:
        - sleep
        - infinity
        volumeMounts:
        - name: csi-gcs-pvc
          mountPath: /data
      - name: reader
        image: busybox
        command:
        - sleep
        - infinity
        volumeMounts:
        - name: csi-gcs-pvc
          mountPath: /data
          readOnly: true
      volumes:
      - name: csi-gcs-pvc
        persistentVolumeClaim:
          claimName: csi-gcs-pvc

• kubectl get sc,pv,pvc -n csi-gcs

storageclass.storage.k8s.io/csi-gcs                         gcs.csi.ofek.dev        14d
storageclass.storage.k8s.io/singlewriter-standard           pd.csi.storage.gke.io   16d
persistentvolume/csi-gcs-pv                                 50Gi       RWO            Retain           Bound    csi-gcs/csi-gcs-pvc                  csi-gcs                                  14h
persistentvolumeclaim/csi-gcs-pvc   Bound    csi-gcs-pv   50Gi       RWO            csi-gcs        14h

• kubectl get deploy -n csi-gcs

NAME           READY   UP-TO-DATE   AVAILABLE   AGE
csi-gcs-test   1/1     1            1           60s

• kubectl -n csi-gcs exec -it $(kubectl -n csi-gcs get po |grep csi | cut -f 1 -d " ") -c writer -- ls -l /data

total 3
-rw-r--r--    1 root     root            11 Apr  2 19:53 hello_world.hel

Is there any way to mount it as non-root user? Tried also with gid annotations on pv and

fsGroup securityContext on deployment, with the same result

annotations:
  pv.beta.kubernetes.io/gid: "1000"