Libretro-finder

What's Changed
* Extra sources for wxPython (speedup Linux build) by jaspersiebring in https://github.com/jaspersiebring/libretro_finder/pull/14


**Full Changelog**: https://github.com/jaspersiebring/libretro_finder/compare/0.3.0...0.3.1

What's Changed
* Regex fix (named and optional groups) by jaspersiebring in https://github.com/jaspersiebring/libretro_finder/pull/13
* Added support for all BIOS files in [libretro's system.dat](https://github.com/libretro/libretro-database/blob/master/dat/System.dat) (currently 357 files)


**Full Changelog**: https://github.com/jaspersiebring/libretro_finder/compare/0.2.5...0.3.0

What's Changed
* Automatically build executables for all platforms by jaspersiebring in https://github.com/jaspersiebring/libretro_finder/pull/8

Release Notes:
- Automated building of standalone executables for Windows, Linux, MacOS (see releases)
- Automated uploading of release artifacts to Github (see releases; includes .whl, sourcecode tarball and executables for all platforms)
- Updated the README to provide more up-to-date and comprehensive information about the application.

**Full Changelog**: https://github.com/jaspersiebring/libretro_finder/compare/0.2.3...0.2.5

Release Notes:

Features:
- Added a optional graphical user interface to the application (will start if libretro_finder is called without additional arguments)
- Updated the README to provide more up-to-date and comprehensive information about the application.
- Switched to pytest's tmp_path and tmp_path_factory for handling temporary paths (future proofing). Also adopted pytest-mock.
- A lot of additional documentation and general QoL improvements (e.g. auto-setting the output_dir to ./retroarch/system).