ci: update release process

[beeme1mr]

This PR

• removes the Python container from the GitHub action runner
• adds the Python action
• removes pypi release version restriction

Notes

Confirmed to work in the Python contrib repo: open-feature/python-sdk-contrib#159

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.54%. Comparing base (f559d1b) to head (5cab7b4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #417   +/-   ##
=======================================
  Coverage   97.54%   97.54%           
=======================================
  Files          31       31           
  Lines        1387     1387           
=======================================
  Hits         1353     1353           
  Misses         34       34           

Flag	Coverage Δ
unittests	97.54% <ø> (ø)

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