textproc/py-qrcode: Update to 8.0

Changes since 7.4:

• Added support for Python 3.11 and 3.12.
• Drop support for Python <=3.8.
• Change local development setup to use Poetry_.
• Testsuite and code quality checks are done through Github Actions.
• Code quality and formatting utilises ruff_.
• Removed `typing_extensions` as a dependency, as it's no longer required with having Python 3.9+ as a requirement.
• Only allow high error correction rate (qrcode.ERROR_CORRECT_H) when generating QR codes with embedded images to ensure content is readable
• Allow `pypng factory to allow for saving to a string (like qr.save("some_file.png")`) in addition to file-like objects.
• Fix bad over-optimization in v7.4 that broke large QR codes.

Reported by: portscout