Backport PR #9693 and #9700 to Release-1.18

[priyansh17]

Thank you for contributing to Velero!

Please add a summary of your change

This is backporting of PRs #9693 and #9700 in main branch to release-1.16.

Please indicate you've done the following:

• 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

❌ Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.65%. Comparing base (77945d9) to head (3810d88).
⚠️ Report is 1 commits behind head on release-1.18.

Files with missing lines	Patch %	Lines
pkg/controller/backup_deletion_controller.go	85.71%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.18    #9731   +/-   ##
=============================================
  Coverage         60.64%   60.65%           
=============================================
  Files               387      387           
  Lines             36896    36890    -6     
=============================================
  Hits              22376    22376           
+ Misses            12891    12888    -3     
+ Partials           1629     1626    -3     

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