chore(deps): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	pin	v4 → v4.3.1
actions/setup-go	action	pin	v4 → v4.3.0
actions/setup-node	action	pin	v4 → v4.4.0
codecov/codecov-action	action	pin	v3 → v3.1.6
go (source)	golang	pin	1.21 → 1.26.4
golangci/golangci-lint-action	action	pin	v3 → v3.7.1

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.82%. Comparing base (02cb1ad) to head (1ac3b38).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #43   +/-   ##
=======================================
  Coverage   88.82%   88.82%           
=======================================
  Files          12       12           
  Lines         519      519           
=======================================
  Hits          461      461           
  Misses         51       51           
  Partials        7        7           

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