Remove failing unit tests for Go 1.20

[gmlewis]

Fixes: #2654.

[codecov]

Codecov Report

Merging #2656 (a370400) into master (72dd8ad) will decrease coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2656      +/-   ##
==========================================
- Coverage   98.10%   98.05%   -0.06%     
==========================================
  Files         131      131              
  Lines       11442    11442              
==========================================
- Hits        11225    11219       -6     
- Misses        148      152       +4     
- Partials       69       71       +2     

Impacted Files	Coverage Δ
github/actions_artifacts.go	95.71% <0.00%> (-4.29%)	⬇️
github/repos_contents.go	87.58% <0.00%> (-1.97%)	⬇️

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[gmlewis]

Awaiting LGTM+Approval from any other contributor to this repo.

You can ignore the codecov/project drop in coverage. It turns out that with Go 1.20 we will no longer be able to cover these two lines, as it prevents us from creating a malformed URL in the Location header field.

[valbeat]

LGTM!

[gmlewis]

Thank you, @valbeat !
Merging.