Chore/20 serverless v4 migration

[chrisbc]

• closes CHORE: serverless V4 migration #20
• ensure python 3.12 in all server\less
• serverless V4 upgrade
• update pyproject.toml to PEP508
• add tox audit step
• update workflow config
• package audits yarn/poetry

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.62%. Comparing base (33e9311) to head (92321af).
⚠️ Report is 10 commits behind head on deploy-test.

Additional details and impacted files

@@             Coverage Diff              @@
##           deploy-test      #21   +/-   ##
============================================
  Coverage        90.62%   90.62%           
============================================
  Files               14       14           
  Lines              480      480           
  Branches            33       33           
============================================
  Hits               435      435           
  Misses              38       38           
  Partials             7        7           

Flag	Coverage Δ
unittests	90.62% <100.00%> (ø)

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[voj]

LGTM!