Added support for github actions upload v4

[david-driscoll]

No description provided.

[codecov]

Codecov Report

Attention: 128 lines in your changes are missing coverage. Please review.

Comparison is base (8369167) 7.36% compared to head (9abfa27) 7.33%.
Report is 2 commits behind head on master.

Files	Patch %	Lines
.../Nuke/GithubActions/GitHubActionsStepsAttribute.cs	3.33%	116 Missing ⚠️
...Nuke/EnsurePackageSourceHasCredentialsAttribute.cs	0.00%	6 Missing ⚠️
src/Nuke/GithubActions/UsingStep.cs	28.57%	5 Missing ⚠️
src/Nuke/Settings.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #1093      +/-   ##
=========================================
- Coverage    7.36%   7.33%   -0.04%     
=========================================
  Files         143     144       +1     
  Lines        3829    3845      +16     
  Branches      271     271              
=========================================
  Hits          282     282              
- Misses       3547    3563      +16     

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