fix: dead link in Rook external storage

Signed-off-by: Kiefer Chang <kiefer.chang@suse.com>

kb/2023-08-23/using_rook_ceph_storage.md

@@ -119,7 +119,7 @@ kubectl apply -f ./csi/rbd/snapshotclass-external.yaml
 
 ## Configure Harvester Cluster
 
-Before you can make use of Harvester's **Backup & Snapshot** features, you need to set up some essential configurations through the Harvester [csi-driver-config](https://docs.harvesterhci.io/v1.2/advanced/settings#csi-driver-config) setting. To set up these configurations, follow these steps:
+Before you can make use of Harvester's **Backup & Snapshot** features, you need to set up some essential configurations through the Harvester [csi-driver-config](https://docs.harvesterhci.io/v1.4/advanced/index#csi-driver-config) setting. To set up these configurations, follow these steps:
 
 1. Login to the Harvester UI, then navigate to **Advanced** > **Settings**.
 1. Find and select **csi-driver-config**, and then click on the **⋮** > **Edit Setting** to access the configuration options.
@@ -137,4 +137,4 @@ With these configurations in place, your Harvester cluster is ready to make the
 
 ![rook-ceph-volume-external](./imgs/rook-ceph-volume-external.png)
 
-![rook-ceph-vm-external](./imgs/rook-ceph-vm-external.png)
+![rook-ceph-vm-external](./imgs/rook-ceph-vm-external.png)