chore: Upgrades CI workflow actions

[tuliomir]

Acceptance Criteria

• Fixes warnings about the CI workflow actions to use NodeJS 20
• Forces an error on CI if CodeCov fails, to improve our understanding of its errors

Notes

The upload-artifact and gh-docker-logs actions will be upgraded in a future moment, as they have breaking changes that will need more attention to adapt to.

The intermittent errors we're having of not finding the secret token on CodeCov seems to have been fixed by the latest action version. Recent issues about this problem were found on 1463 and 1425 with no definitive solution.

Security Checklist

• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.53%. Comparing base (0b938b9) to head (7c87b7c).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #458   +/-   ##
=======================================
  Coverage   89.53%   89.53%           
=======================================
  Files          51       51           
  Lines        2151     2151           
  Branches      406      406           
=======================================
  Hits         1926     1926           
  Misses        208      208           
  Partials       17       17           

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