Update actions/setup-go action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-go	action	major	v5 -> v6

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Release Notes

actions/setup-go (actions/setup-go)

v6

Compare Source

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 37.36%. Comparing base (efa0aa2) to head (e6fadd8).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #441   +/-   ##
=======================================
  Coverage   37.36%   37.36%           
=======================================
  Files           6        6           
  Lines        1033     1033           
=======================================
  Hits          386      386           
  Misses        637      637           
  Partials       10       10           

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