feat(github-release): update kubernetes-csi/external-snapshotter to v6.3.2

| datasource  | package                             | from   | to     |
| ----------- | ----------------------------------- | ------ | ------ |
| github-tags | kubernetes-csi/external-snapshotter | v6.0.1 | v6.3.2 |

Author: chii-bot[bot]

cluster/crds/external-snapshotter/kustomization.yaml

@@ -2,4 +2,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - github.com/kubernetes-csi/external-snapshotter//client/config/crd?ref=v6.0.1
+  - github.com/kubernetes-csi/external-snapshotter//client/config/crd?ref=v6.3.2