move to golang 1.23.2

[bobcallaway]

this disables gosec G115 (integer conversion) issues for now, will address in separate PR

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 51.40%. Comparing base (488eb97) to head (3a8edea).
Report is 201 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/generated/restapi/configure_rekor_server.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2235       +/-   ##
===========================================
- Coverage   66.46%   51.40%   -15.06%     
===========================================
  Files          92      192      +100     
  Lines        9258    19590    +10332     
===========================================
+ Hits         6153    10071     +3918     
- Misses       2359     8427     +6068     
- Partials      746     1092      +346     

Flag	Coverage Δ
e2etests	49.55% <ø> (+1.99%)	⬆️
unittests	43.02% <0.00%> (-4.67%)	⬇️

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[cpanato]

thanks you did my job, was doing a similar pr :)