Fix leaked client transport on copy

[gmlewis]

Fixes: #3043.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (9231a0f) 97.71% compared to head (9424530) 97.69%.
Report is 2 commits behind head on master.

Files	Patch %	Lines
github/code-scanning.go	75.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3051      +/-   ##
==========================================
- Coverage   97.71%   97.69%   -0.03%     
==========================================
  Files         152      152              
  Lines       13241    13253      +12     
==========================================
+ Hits        12939    12948       +9     
- Misses        213      215       +2     
- Partials       89       90       +1     

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[gmlewis]

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

[fchimpan]

Hi, @gmlewis !
Thank you for your implementation.
I have tested it in my local environment and can confirm that it is working correctly.
LGTM 🚀

[gmlewis]

Thank you, @fchimpan !
Merging.