Raise min version to PHP 7.3, check compatibility PHP 8.3.

[terabytesoftw]

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌

[what-the-diff]

PR Summary

• Editor configuration updated
  A new configuration line was added to the .editorconfig file, which helps maintain consistent coding styles across various environments within our project.

• Workflow enhancement in GitHub Actions
  By adding an on property for pull_request and push events, this update improves the automation of our development workflow in the .github/workflows/build.yml file.

• PHPUnit version requirement updated
  The requirement for the version of phpunit/phpunit has been revised in the composer.json file as part of this update, ensuring our developer dependencies remain up-to-date.

• Improvement in test configuration
  Two new properties - xsi:noNamespaceSchemaLocation and coverage/include - were added to the phpunit.xml.dist file. This enhancement provides more detailed control over our unit test configurations.

• Refinement of unit test methods
  The setUp() and tearDown() methods in the tests/FixtureControllerTest.php file have been updated for more reliable test set-up and clean-up processes.

• Simplification of test environment
  The compatibility.php file in the tests directory was removed to streamline our testing environment setup.

• Optimized test case teardown
  The tearDown() method in the tests/TestCase.php file was updated for more efficient test cleanup processes.

• Streamlining bootstrap process
  The require_once statement was removed from the tests/bootstrap.php file as part of our codebase simplification.

[codecov]

Welcome to Codecov 🎉

Once merged to your default branch, Codecov will compare your coverage reports and display the results in this comment.

Thanks for integrating Codecov - We've got you covered ☂️