Bump Go version

[nginx-bot]

Proposed changes

Bump Go version. Release notes: link

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-3.7@98a30ec). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff               @@
##             release-3.7    #6570   +/-   ##
==============================================
  Coverage               ?   53.22%           
==============================================
  Files                  ?       85           
  Lines                  ?    16018           
  Branches               ?        0           
==============================================
  Hits                   ?     8525           
  Misses                 ?     7085           
  Partials               ?      408           

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