Update CSI version compatibility

Author: gnufied

README.md

@@ -16,7 +16,8 @@ This information reflects the head of this branch.
 
 | Compatible with CSI Version                                                                | Container Image                | Recommended K8s Version |
 | ------------------------------------------------------------------------------------------ | -------------------------------| --------------- |
-| [CSI Spec v1.1.0](https://github.com/container-storage-interface/spec/releases/tag/v1.1.0) | quay.io/k8scsi/csi-resizer | 1.16            |
+| [CSI Spec v1.2.0](https://github.com/container-storage-interface/spec/releases/tag/v1.2.0) | quay.io/k8scsi/csi-resizer | 1.16            |
+
 
 
 ## Feature status