fix: Memory leak in repo-server (cherry-pick #20876)

[gcp-cherry-pick-bot]

Cherry-picked fix: Memory leak in repo-server (#20876)

Signed-off-by: Adam Chandler adam_chandler@trimble.com

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 55.04%. Comparing base (af54ef8) to head (e4f61e4).
Report is 3 commits behind head on release-2.13.

Files with missing lines	Patch %	Lines
util/app/discovery/discovery.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-2.13   #20894      +/-   ##
================================================
+ Coverage         55.01%   55.04%   +0.03%     
================================================
  Files               320      320              
  Lines             54735    54744       +9     
================================================
+ Hits              30111    30133      +22     
+ Misses            22045    22040       -5     
+ Partials           2579     2571       -8     

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