x11-fonts/py-FindSystemFontsFilename: Update to 0.3.3

• Add a post-patch target to fix build with devel/py-setuptools < 77.0.0, otherwise it fails with the error:

/usr/local/lib/python3.11/site-packages/setuptools/config/pyprojecttoml.py:104: _BetaConfiguration: Support for [tool.setuptools] in pyproject.toml is still *beta*.

warnings.warn(msg, _BetaConfiguration)

configuration error: project.license must be valid exactly by one definition (2 matches found):

• keys: 'file': {type: string} required: ['file']
• keys: 'text': {type: string} required: ['text']

Release changes: https://github.com/moi15moi/FindSystemFontsFilename/releases/tag/0.3.3
Reported by: portscout!