Add additionalPrinterColumns for backups.velero.io crd

[df-cgdm]

Show main status properties when doing a "kubectl get backups.velero.io" or using any kube manager UI.

• Accepted the DCO. Commits without the DCO will delay acceptance.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.15%. Comparing base (3f9c2dc) to head (3c04d0e).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8221   +/-   ##
=======================================
  Coverage   59.15%   59.15%           
=======================================
  Files         367      367           
  Lines       30777    30777           
=======================================
  Hits        18206    18206           
  Misses      11113    11113           
  Partials     1458     1458           

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[reasonerjt]

Thanks for the PR but ATM I don't think this is very necessary.

Would you mind opening an issue to propose this change? If there are enough thumb-ups we can re-consider making this change.

[reasonerjt]

Please refer to my previous comment