Updated Packaging

[TimPansino]

Overview

• Update packaging to use pyproject.toml.
• Publish using PyPA Trusted Publishing.
• Pin all GitHub Actions to version shas.
• Add dependabot to keep GitHub Actions up to date.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.74%. Comparing base (c299d5d) to head (50d3984).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #78   +/-   ##
=======================================
  Coverage   97.74%   97.74%           
=======================================
  Files           9        9           
  Lines         399      399           
  Branches       36       36           
=======================================
  Hits          390      390           
  Misses          5        5           
  Partials        4        4           

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