VastData Driver - fix CSI spec version

Author: koreno

book/src/drivers.md

@@ -116,7 +116,7 @@ Name | CSI Driver Name | Compatible with CSI Version(s) | Description | Persiste
 [Tencent Cloud Object Storage](https://github.com/TencentCloud/kubernetes-csi-tencentcloud)| `com.tencent.cloud.csi.cosfs` | v1.0 | A Container Storage Interface (CSI) Driver for Tencent Cloud Object Storage | Persistent | Read/Write Multiple Pods | No |
 [TopoLVM](https://github.com/topolvm/topolvm)| `topolvm.io` | v1.1 | A Container Storage Interface (CSI) Driver for LVM | Persistent and Ephemeral | Read/Write Single Pod | Yes | Raw Block, Expansion, Topology Aware
 [TrueNAS](https://github.com/hpe-storage/truenas-csp) | `csi.hpe.com` | v1.3 | A community supported [Container Storage Provider](https://github.com/hpe-storage/container-storage-provider) (CSP) that leverages the HPE CSI Driver for Kubernetes. Works with TrueNAS CORE, TrueNAS SCALE and FreeNAS using iSCSI only | Persistent | Read/Write Multiple Pods | Yes | Raw Block, Snapshot, Expansion, Cloning
-[VAST Data](https://github.com/vast-data/vast-csi) | `csi.vastdata.com` | v2.1 | A Container Storage Interface (CSI) Driver for VAST Data | Persistent and Ephemeral | Read/Write Multiple Pods | Yes | Snapshot, Expansion
+[VAST Data](https://github.com/vast-data/vast-csi) | `csi.vastdata.com` | v1.2 | A Container Storage Interface (CSI) Driver for VAST Data | Persistent and Ephemeral | Read/Write Multiple Pods | Yes | Snapshot, Expansion
 [XSKY-EBS](https://xsky-storage.github.io/xsky-csi-driver/csi-block.html) | `csi.block.xsky.com` | v1.0 | A Container Storage Interface (CSI) Driver for XSKY Distributed Block Storage (X-EBS) | Persistent | Read/Write Single Pod | Yes | Raw Block, Snapshot, Expansion, Cloning
 [XSKY-FS](https://xsky-storage.github.io/xsky-csi-driver/csi-fs.html) | `csi.fs.xsky.com` | v1.0 | A Container Storage Interface (CSI) Driver for XEDP，XEUS，XUDS，XGFS，X3000，X5000 | Persistent | Read/Write Multiple Pods | Yes | Snapshot, Expansion
 [Vault](https://github.com/kubevault/csi-driver) | `secrets.csi.kubevault.com` | v1.0 | A Container Storage Interface (CSI) Driver for mounting HashiCorp Vault secrets as volumes. | Ephemeral | N/A | N/A |