Refresh python bootstrap

[benoit74]

Rationale

Fix #49

Changes:

• New html option in coverage report
• Small fixes in invoke tasks
• Dockerfile: split installation of Python dependencies for more efficiency
• Github workflow: publish dev tag on every push to main branch
• Github workflow: build Docker image + test its startup
• Github workflow: adopt new standard execution structure (on conditions)

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (3c3aeb1) 24.90% compared to head (9cf26b9) 24.90%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #51   +/-   ##
=======================================
  Coverage   24.90%   24.90%           
=======================================
  Files           7        7           
  Lines         775      775           
  Branches      135      135           
=======================================
  Hits          193      193           
  Misses        570      570           
  Partials       12       12           

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[rgaudin]

LGTM