chore(deps): update dependency k8s.gcr.io/sig-storage/csi-attacher to v4

This MR contains the following updates:

Package	Type	Update	Change
k8s.gcr.io/sig-storage/csi-attacher	ironbank-docker	major	v3.5.0 -> v4.0.0
k8s.gcr.io/sig-storage/csi-attacher		major	v3.5.0 -> v4.0.0
k8s.gcr.io/sig-storage/csi-attacher	stage	major	v3.5.0 -> v4.0.0

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