feat: introduced mono-repo workflows

[fredbi]

• go-test: factorized multi-modules operations leveraging specialized github composite actions
• release: new mono-repo release workflows

Release notes for monorepos now contain 2 sections: one general and the other module-specific.

Releasing remains a bit simplified at this moment:

• lacks the logic to tag only changed modules
• lacks the logic to publish release notes only on changed modules

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 100.00%. Comparing base (906cbff) to head (2182ddd).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##            master       #63   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines           14        14           
=========================================
  Hits            14        14           

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