Update csi-provisioner from v1.5.0-rc1 to v1.5.0

See https://github.com/kubernetes-csi/external-provisioner/releases/tag/v1.5.0
See https://github.com/kubernetes-csi/external-provisioner/blob/v1.5.0/CHANGELOG-1.5.md

Author: hswong3i

deploy/kubernetes-1.17/hostpath/csi-hostpath-provisioner.yaml

@@ -40,7 +40,7 @@ spec:
       serviceAccountName: csi-provisioner
       containers:
         - name: csi-provisioner
-          image: quay.io/k8scsi/csi-provisioner:v1.5.0-rc1
+          image: quay.io/k8scsi/csi-provisioner:v1.5.0
           args:
             - -v=5
             - --csi-address=/csi/csi.sock