ci: aligned CI and doc with go-openapi repos

[fredbi]

Change type

Please select: 🆕 New feature or enhancement|🔧 Bug fix'|📃 Documentation update

Short description

Fixes

Full description

Checklist

• I have signed all my commits with my name and email (see DCO. This does not require a PGP-signed commit
• I have rebased and squashed my work, so only one commit remains
• I have added tests to cover my changes.
• I have properly enriched go doc comments in code.
• I have properly documented any breaking change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.51%. Comparing base (c14c0a6) to head (1b50319).
⚠️ Report is 5 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #235   +/-   ##
=======================================
  Coverage   67.51%   67.51%           
=======================================
  Files          30       30           
  Lines        2395     2395           
=======================================
  Hits         1617     1617           
  Misses        615      615           
  Partials      163      163           

Flag	Coverage Δ
oldstable-macos-latest	?
oldstable-ubuntu-latest	?
oldstable-windows-latest	?
stable-macos-latest	?
stable-ubuntu-latest	?
stable-windows-latest	?

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