Update PyPi deploy workflow to use OIDC authentication

[nfahlgren]

Describe your changes
Updates the GitHub Action workflow that deploys PlantCV releases to PyPI to use the PyPA Action and OIDC authentication.

Type of update
Is this a: update to new security protocols for PyPI

Additional context
GitHub Action: https://github.com/marketplace/actions/pypi-publish

PyPI no longer supports username/password authentication:

Username/Password authentication is no longer supported. Migrate to API
         Tokens or Trusted Publishers instead. See                              
         https://pypi.org/help/#apitoken and                                    
         https://pypi.org/help/#trusted-publishers  

For the reviewer
See this page for instructions on how to review the pull request.

• PR functionality reviewed in a Jupyter Notebook
• All tests pass
• Test coverage remains 100%
• Documentation tested
• New documentation pages added to plantcv/mkdocs.yml
• Changes to function input/output signatures added to updating.md
• Code reviewed
• PR approved

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (5bd2e14) 100.00% compared to head (dd1b73d) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1424   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          158       158           
  Lines         6944      6944           
=========================================
  Hits          6944      6944           

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

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