doc(1.5.4): update CSI snapshotter version to v6.3.0

ref: 7150

Signed-off-by: Chin-Ya Huang <chin-ya.huang@suse.com>

content/docs/1.5.4/snapshots-and-backups/csi-snapshot-support/enable-csi-snapshot-support.md

@@ -24,14 +24,14 @@ You may manually install these components by executing the following steps.
 > For example, on a vanilla Kubernetes cluster, update the namespace from `default` to `kube-system` prior to issuing the `kubectl create` command.
 
 Install the Snapshot CRDs:
-1. Download the files from https://github.com/kubernetes-csi/external-snapshotter/tree/v6.2.1/client/config/crd
-because Longhorn v{{< current-version >}} uses [CSI external-snapshotter](https://kubernetes-csi.github.io/docs/external-snapshotter.html) v6.2.1
+1. Download the files from https://github.com/kubernetes-csi/external-snapshotter/tree/v6.3.0/client/config/crd
+because Longhorn v{{< current-version >}} uses [CSI external-snapshotter](https://kubernetes-csi.github.io/docs/external-snapshotter.html) v6.3.0
 2. Run `kubectl create -k client/config/crd`.
 3. Do this once per cluster.
 
 Install the Common Snapshot Controller:
-1. Download the files from https://github.com/kubernetes-csi/external-snapshotter/tree/v6.2.1/deploy/kubernetes/snapshot-controller
-because Longhorn v{{< current-version >}} uses [CSI external-snapshotter](https://kubernetes-csi.github.io/docs/external-snapshotter.html) v6.2.1
+1. Download the files from https://github.com/kubernetes-csi/external-snapshotter/tree/v6.3.0/deploy/kubernetes/snapshot-controller
+because Longhorn v{{< current-version >}} uses [CSI external-snapshotter](https://kubernetes-csi.github.io/docs/external-snapshotter.html) v6.3.0
 2. Update the namespace to an appropriate value for your environment (e.g. `kube-system`)
 3. Run `kubectl create -k deploy/kubernetes/snapshot-controller`.
 3. Do this once per cluster.