fix(cli): wrong variable to store --no-proxy value (cherry-pick #21226)

[gcp-cherry-pick-bot]

Cherry-picked fix(cli): wrong variable to store --no-proxy value (#21226)

Signed-off-by: Nathanael Liechti [email protected]

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 52.87%. Comparing base (6b15a04) to head (d59620f).
Report is 1 commits behind head on release-2.14.

Files with missing lines	Patch %	Lines
cmd/util/repo.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-2.14   #22590      +/-   ##
================================================
- Coverage         55.33%   52.87%   -2.47%     
================================================
  Files               339      339              
  Lines             57341    57341              
================================================
- Hits              31732    30321    -1411     
- Misses            22918    24354    +1436     
+ Partials           2691     2666      -25     

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