update go builder and cosign

[cpanato]

Summary

• update go builder and cosign

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 36.47%. Comparing base (2ef6022) to head (ee5761a).
⚠️ Report is 592 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4529      +/-   ##
==========================================
- Coverage   40.10%   36.47%   -3.63%     
==========================================
  Files         155      220      +65     
  Lines       10044    12239    +2195     
==========================================
+ Hits         4028     4464     +436     
- Misses       5530     7082    +1552     
- Partials      486      693     +207     

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