Add release workflow

[staticdev]

Add release workflow - for it to work properly Github settings must have 2 secrets:

• PYPI_TOKEN - to send releases to pypi.org (when version on pyproject.toml changes)
• TEST_PYPI_TOKEN - to send non-release versions to test.pypi.org

Superseeds #2004

[codecov]

Codecov Report

Merging #2026 (879ea00) into main (5ab2fb7) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2026   +/-   ##
=======================================
  Coverage   99.54%   99.54%           
=======================================
  Files          38       38           
  Lines        3083     3083           
  Branches      733      733           
=======================================
  Hits         3069     3069           
  Misses          8        8           
  Partials        6        6           

[staticdev]

@timothycrosley looks like the token for pypi PYPI_TOKEN is not working.. I run for the first time a release but I get forbidden error:
https://github.com/PyCQA/isort/actions/runs/3716321197/jobs/6302512647