feat(charts): set default fstype to ext4 (#339)

Set default fstype to ext4 in csi-provisioner. This will be helpful when
fsType is not mention in storageclass.

Signed-off-by: Shovan Maity <shovan.cse91@gmail.com>

deploy/helm/charts/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: zfs-localpv
 description: CSI Driver for dynamic provisioning of ZFS Persistent Local Volumes.
-version: 1.7.0
+version: 1.7.1
 appVersion: 1.7.0
 icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/openebs/icon/color/openebs-icon-color.png
 home: http://www.openebs.io/

deploy/helm/charts/templates/zfs-contoller.yaml

@@ -78,6 +78,7 @@ spec:
             - "--strict-topology"
             - "--leader-election"
             - "--extra-create-metadata=true"
+            - "--default-fstype=ext4"
           env:
             - name: ADDRESS
               value: /var/lib/csi/sockets/pluginproxy/csi.sock