Enhance upgrade velero bash script

[qiuming-best]

Signed-off-by: Ming mqiu@vmware.com

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[codecov-commenter]

Codecov Report

Merging #5610 (29c992a) into release-1.10 (5ecb144) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           release-1.10    #5610      +/-   ##
================================================
- Coverage         40.92%   40.89%   -0.03%     
================================================
  Files               239      239              
  Lines             20629    20629              
================================================
- Hits               8442     8437       -5     
- Misses            11570    11575       +5     
  Partials            617      617              

Impacted Files	Coverage Δ
pkg/uploader/provider/kopia.go	52.84% <0.00%> (-4.07%)	⬇️

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