CI: Add PHP 8.2, 8.3, and 8.4 to test matrix

CI: Add PHP 8.2, 8.3, and 8.4 to test matrix Updates the GitHub Actions workflow file (`.github/workflows/test.yml`) to include PHP versions 8.2, 8.3, and 8.4 in the test matrix. This will ensure your package is tested against more recent PHP versions, improving compatibility and robustness.