Add 'orLabelSelector' for backup, restore command

[ywk253100]

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[codecov]

Codecov Report

Merging #6881 (bc4dc6c) into release-1.12 (08d44b0) will decrease coverage by 0.03%.
The diff coverage is 48.00%.

@@               Coverage Diff                @@
##           release-1.12    #6881      +/-   ##
================================================
- Coverage         60.48%   60.46%   -0.03%     
================================================
  Files               243      244       +1     
  Lines             26017    26067      +50     
================================================
+ Hits              15737    15761      +24     
- Misses             9177     9199      +22     
- Partials           1103     1107       +4     

Files	Coverage Δ
pkg/cmd/cli/backup/create.go	66.41% <40.00%> (-0.51%)	⬇️
pkg/cmd/cli/restore/create.go	60.62% <40.00%> (-0.37%)	⬇️
pkg/cmd/util/flag/orlabelselector.go	83.33% <83.33%> (ø)
pkg/cmd/util/output/backup_describer.go	55.49% <45.45%> (-0.21%)	⬇️
pkg/cmd/util/output/restore_describer.go	31.00% <0.00%> (-1.18%)	⬇️