More testing changes, minor

[BrianHenryIE]

Proposed changes

• Loosen the GitHub Actions dependency version strictness from shivammathur/[email protected] to shivammathur/setup-php@v2
• Add --debug to the PHPUnit execution for verbose output during the Workflow

Type of Change

Production

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update
• Refactoring / housekeeping (changes to files not directly related to functionality)

Development

• Tests
• Dependency update
• Environment update / refactoring
• Documentation Update

Video

Checklist

• I have read the CONTRIBUTING doc
• I have viewed my change in a web-browser
• Linting and tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Post-deployment Checklist

How can the change be verified?

• The test workflow run for this PR should have a new line of output for every PHPUnit test run

Further comments

There is another change where I put parentheses around a boolean check but it was unnecessary.