Bump CSI snapshot controller chart for CRD updates

[brandond]

Proposed Changes

Update volume snapshot CRDs from upstream:
https://github.com/kubernetes-csi/external-snapshotter/tree/v8.1.0/client/config/crd

Major change is that most validation has been moved to CEL expressions instead of using the webhook.

Ref: rancher/rke2-charts#542

Types of Changes

CRD bump

Verification

Apply VolumeSnapshot with empty spec.volumeSnapshotClassName and receive error from validation rules:

The VolumeSnapshot "new-snapshot-demo" is invalid: spec.volumeSnapshotClassName: Invalid value: "string": volumeSnapshotClassName must not be the empty string when set

Testing

Linked Issues

• Bump CSI snapshot controller and webhook images #6945

User-Facing Change

Further Comments

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.09%. Comparing base (f76a13f) to head (a7fe7f3).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7067      +/-   ##
==========================================
+ Coverage   17.74%   25.09%   +7.35%     
==========================================
  Files          32       33       +1     
  Lines        2829     2841      +12     
==========================================
+ Hits          502      713     +211     
+ Misses       2285     2081     -204     
- Partials       42       47       +5     

Flag	Coverage Δ
inttests	9.53% <ø> (?)
unittests	17.74% <ø> (ø)

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