build(github): update kubernetes-csi/external-snapshotter to v8.4.0

[ocfbot]

This PR contains the following updates:

Package	Update	Change
kubernetes-csi/external-snapshotter	minor	v8.3.0 -> v8.4.0

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Release Notes

kubernetes-csi/external-snapshotter (kubernetes-csi/external-snapshotter)

v8.4.0

Compare Source

Overall Status

Volume snapshotting has been a GA feature since Kubernetes v1.20.

Supported CSI Spec Versions

1.0-1.12

• VolumeGroupSnapshot moves to GA in CSI spec v1.11.0.

Minimum Kubernetes version

1.25

Recommended Minimum Kubernetes version

1.25

Container

docker pull registry.k8s.io/sig-storage/snapshot-controller:v8.4.0
docker pull registry.k8s.io/sig-storage/csi-snapshotter:v8.4.0

Changes by Kind

API Change

• Introduce the v1beta2 VolumeGroupSnapshot API as described by KEP 5013 (#​1312, @​leonardoce)

Feature

• The number of worker threads in the snapshot-controller and csi-snapshotter is now configurable via the worker-threads flag. (#​282, @​huffmanca)

Other (Cleanup or Flake)

• Several VolumeGroupSnapshot, VolumeGroupSnapshotClass and VolumeGroupSnapshotContent fields are now immutable. The v1beta1 VolumeGroupSnapshot API is now marked as deprecated. (#​1337, @​leonardoce)
• Update kubernetes dependencies to v1.34.0 (#​1330, @​dobsonj)

Uncategorized

• Update CSI spec to v1.12. (#​1341, @​xing-yang)

Full Changelog

https://github.com/kubernetes-csi/external-snapshotter/blob/v8.4.0/CHANGELOG/CHANGELOG-8.4.md

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