update builder to use go1.24.6

[cpanato]

Summary

• update builder to use go1.24.6

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 34.31%. Comparing base (2ef6022) to head (6799e53).
⚠️ Report is 466 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4334      +/-   ##
==========================================
- Coverage   40.10%   34.31%   -5.79%     
==========================================
  Files         155      216      +61     
  Lines       10044    15009    +4965     
==========================================
+ Hits         4028     5151    +1123     
- Misses       5530     9194    +3664     
- Partials      486      664     +178     

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