Update the nightly trivy scan targets.

[blackpiglet]

Remove the velero-restore-helper.
Add AWS, GCP, and Azure plugins.

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Does your change fix a particular issue?

Fixes #(issue)

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• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file (make new-changelog) or comment /kind changelog-not-required on this PR.
• Updated the corresponding documentation in site/content/docs/main.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.56%. Comparing base (e5c7c7f) to head (d5efb72).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8833   +/-   ##
=======================================
  Coverage   59.56%   59.56%           
=======================================
  Files         370      370           
  Lines       40239    40239           
=======================================
  Hits        23969    23969           
  Misses      14771    14771           
  Partials     1499     1499           

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