fix: artifactory checksum header

[caarlos0]

closes #2153

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[codecov]

Codecov Report

Merging #2154 (132d18b) into master (8306b94) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2154   +/-   ##
=======================================
  Coverage   82.65%   82.65%           
=======================================
  Files          75       75           
  Lines        4105     4106    +1     
=======================================
+ Hits         3393     3394    +1     
  Misses        579      579           
  Partials      133      133           

Impacted Files	Coverage Δ
internal/pipe/artifactory/artifactory.go	100.00% <100.00%> (ø)

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[github-actions]

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