Require PHP 8.4

Require PHP 8.4 and test a bunch more

What's Changed

• Fix variable typo by @McCaulay in #10
• Cross platform detection of absolute path by @tored in #14
• Fix C printer output of array types in typedefs by @dirx in #12
• Ignore warnings in C parser by @bwoebi in #16
• Generic preprocessor improvements by @bwoebi in #17
• Refactor to support PHP 8.4 by @ircmaxell in #19

New Contributors

• @McCaulay made their first contribution in #10
• @tored made their first contribution in #14
• @bwoebi made their first contribution in #16
• @ircmaxell made their first contribution in #19

Full Changelog: v0.1.0...v0.2.0

Initial release to support packagist installs

v0.1.0

Fix typo in README (#9)