chore: bump csi external-provisioner from 1.3.0 to 1.4.0

All external-provisioner versions < 1.4.0 are deprecated and will stop
functioning in Kubernetes v1.20. See
[#323](kubernetes-csi/external-provisioner#323) and
[k/k#80978](kubernetes/kubernetes#80978) for more
details. Upgrade your external-provisioner to v1.4+ before Kubernetes v1.20.

None

- Fixes migration scenarios for Topology, fstype, and accessmodes for the kubernetes.io/gce-pd in-tree plugin ([#277](kubernetes-csi/external-provisioner#277), [@davidz627](https://github.com/davidz627))
- Checks if volume content source is populated if creating a volume from a snapshot source. ([#283](kubernetes-csi/external-provisioner#283), [@zhucan](https://github.com/zhucan))
- Fixes issue when SelfLink removal is turned on in Kubernetes. ([#323](kubernetes-csi/external-provisioner#323), [@msau42](https://github.com/msau42))
- CSI driver can return `CreateVolumeResponse` with size 0, which means unknown volume size.
In this case, Provisioner will use PVC requested size as PV size rather than 0 bytes ([#271](kubernetes-csi/external-provisioner#271), [@hoyho](https://github.com/hoyho))
- Fixed potential leak of volumes after CSI driver timeouts. ([#312](kubernetes-csi/external-provisioner#312), [@jsafrane](https://github.com/jsafrane))
- Fixes issue where provisioner provisions volumes for in-tree PVC's which have not been migrated ([#341](kubernetes-csi/external-provisioner#341), [@davidz627](https://github.com/davidz627))
- Send the CSI volume_id instead of  PVC Name to the csi-driver in volumeCreate when datasource  is PVC ([#310](kubernetes-csi/external-provisioner#310), [@Madhu-1](https://github.com/Madhu-1))
- Fixes nil pointer derefence in log when migration turned on ([#342](kubernetes-csi/external-provisioner#342), [@davidz627](https://github.com/davidz627))
- Handle deletion of CSI migrated volumes ([#273](kubernetes-csi/external-provisioner#273), [@ddebroy](https://github.com/ddebroy))
- Reduced logging noise of unrelated PVCs. Emit event on successful provisioning. ([#351](kubernetes-csi/external-provisioner#351), [@jsafrane](https://github.com/jsafrane))
- Added extra verification of source Snapshot and PersistentVolumeClaim before provisioning. ([#352](kubernetes-csi/external-provisioner#352), [@jsafrane](https://github.com/jsafrane))

stable/awsebscsiprovisioner/values.yaml

@@ -26,13 +26,12 @@ registrar:
       repository: "quay.io/k8scsi/csi-node-driver-registrar"
       tag: "v1.1.0"
 
-
 provisioner:
   # True if enable volume scheduling for dynamic volume provisioning
   enableVolumeScheduling: false
   image:
     repository: "quay.io/k8scsi/csi-provisioner"
-    tag: "v1.3.0"
+    tag: "v1.4.0"
 
 attacher:
   image: