Log Message:
py-project-metadata: updated to 0.9.1

0.9.1

This release fixes form feeds in License files using pre-PEP 639 syntax when
using Python older than 3.12.4; this is a regression in 0.9.0 from moving to
the standard library email module. Some other small fixes to validation
messages were applied.

Fixes:

Handle form feed for Python <3.12.4
Some touchup based on packaging PR

Docs:

Fix packaging.licenses example code

Internal and CI:

Speed up CI a bit, add Python 3.14 alpha testing