chore: bump Go versions to address security concerns

[michaelawyu]

What type of PR is this?

This PR bumps Go versions (builder/go.mod to 1.25.12) to fix reported CVEs.

What this PR does / why we need it: security response

Which issue(s) this PR fixes:

NA

Requirements:

NA

How has this code been tested

NA

Special notes for your reviewer

NA

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.90%. Comparing base (becefaa) to head (4ef3451).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #372      +/-   ##
==========================================
+ Coverage   66.82%   66.90%   +0.07%     
==========================================
  Files          33       33              
  Lines        3783     3783              
==========================================
+ Hits         2528     2531       +3     
+ Misses       1079     1077       -2     
+ Partials      176      175       -1     

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