Update dependency kubernetes-csi/external-snapshotter to v8

Author: renovate-bot

infrastructure/controllers/base/csi-snapshotter/kustomization.yaml

@@ -2,5 +2,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: kube-system
 resources:
-- https://github.com/kubernetes-csi/external-snapshotter/client/config/crd/?ref=v6.2.1
-- https://github.com/kubernetes-csi/external-snapshotter/deploy/kubernetes/snapshot-controller/?ref=v6.2.1
+- https://github.com/kubernetes-csi/external-snapshotter/client/config/crd/?ref=v8.3.0
+- https://github.com/kubernetes-csi/external-snapshotter/deploy/kubernetes/snapshot-controller/?ref=v8.3.0