Move cibuildwheel setup to pyproject.toml

[lpsinger]

Should also fix this error:

The workflow is not valid. .github/workflows/publish.yml (Line: 13, Col: 5): Unexpected value 'env'

[lpsinger]

@pllim, I have the publish workflow set only to run on the main branch. Is it OK if I self-merge this and attempt to fix it on main?

[codecov[bot]]

Codecov Report

Merging #176 (38ceb95) into main (0223027) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #176   +/-   ##
=======================================
  Coverage   88.27%   88.27%           
=======================================
  Files           6        6           
  Lines         503      503           
=======================================
  Hits          444      444           
  Misses         59       59           

:mega: Codecov can now indicate which changes are the most critical in Pull Requests. Learn more

[pllim]

I'll let you merge since I am not sure if you want to address the pypy build here or not.

[lpsinger]

I'll let you merge since I am not sure if you want to address the pypy build here or not.

I'll work out the pyproject.toml for that by trail and error on main.

(I don't want to enable the publish workflow for PRs, because the publish workflow uses the CI secrets.)

[pllim]

I don't watch this repo, so please ping me if you need help. Thanks for cleaning up the repo and good luck!