chore: use only native caches from actions/setup-go and golangci/golangci-lint-action

[mmorel-35]

Those two steps are not of use anymore as caches are alredy handle by actions

• actions/setup-go@v5
  • ~/.cache/go-build
  • ~/go/pkg/mod
• golangci/golangci-lint-action@v6
  • ~/.cache/golangci-lint

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.89%. Comparing base (dbd7529) to head (44b268f).
Report is 58 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #875      +/-   ##
==========================================
- Coverage   62.36%   58.89%   -3.47%     
==========================================
  Files         197      199       +2     
  Lines        4854     5790     +936     
==========================================
+ Hits         3027     3410     +383     
- Misses       1439     1988     +549     
- Partials      388      392       +4     

Flag	Coverage Δ
unit	58.89% <ø> (-3.47%)	⬇️

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