Added
* CLI Mode: Ability to run as a command-line utility outside of GitHub Actions, such as part of a local build script, etc.
Changed
* Refactored main control block to improve maintainability (63).
* Refactored organization of source files (64).
* Bumped base Docker image cicirello/pyaction from 4.1.0 to 4.6.0.
CI/CD
* Added workflow to automatically publish CLI utility to PyPI on new releases of GitHub Action to GitHub Marketplace.