Replace k8s.io/apimachinery/pkg/util/clock with k8s.io/utils/clock

[hezhizhen]

Thank you for contributing to Velero!

Please add a summary of your change

Replace k8s.io/apimachinery/pkg/util/clock with k8s.io/utils/clock .

Does your change fix a particular issue?

Fixes #(issue)

Please indicate you've done the following:

• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[hezhizhen]

/kind changelog-not-required

[codecov-commenter]

Codecov Report

Merging #5859 (fb1dc11) into main (5f039b7) will decrease coverage by 0.03%.
The diff coverage is 36.36%.

@@            Coverage Diff             @@
##             main    #5859      +/-   ##
==========================================
- Coverage   40.87%   40.84%   -0.03%     
==========================================
  Files         248      248              
  Lines       21648    21648              
==========================================
- Hits         8848     8843       -5     
- Misses      12155    12160       +5     
  Partials      645      645              

Impacted Files	Coverage Δ
pkg/cmd/cli/nodeagent/server.go	12.72% <0.00%> (ø)
pkg/cmd/server/server.go	6.61% <0.00%> (ø)
pkg/controller/backup_controller.go	55.88% <0.00%> (ø)
pkg/controller/download_request_controller.go	70.00% <ø> (ø)
pkg/controller/pod_volume_backup_controller.go	38.74% <ø> (ø)
pkg/controller/pod_volume_restore_controller.go	25.00% <0.00%> (ø)
pkg/controller/server_status_request_controller.go	66.15% <ø> (ø)
pkg/controller/restore_controller.go	68.89% <33.33%> (ø)
pkg/controller/backup_repository_controller.go	64.12% <100.00%> (ø)
pkg/controller/gc_controller.go	56.07% <100.00%> (ø)
... and 2 more

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[blackpiglet]

Please add a changelog file according to this document https://velero.io/docs/v1.5/code-standards/#adding-a-changelog.

[hezhizhen]

Please add a changelog file according to this document https://velero.io/docs/v1.5/code-standards/#adding-a-changelog.

Done. PTAL

[hezhizhen]

@qiuming-best Please take a look.

[hezhizhen]

I rebased this PR. @blackpiglet @qiuming-best