devel/py-b2sdk: Update to 2.12.0
Update dependencies.
Changes since 2.10.4:
- Handle null case when encoding / decoding content_sha1 in BaseFileVersion.
- Fix SqliteAccountInfo to explicitly close temporary sqlite connections used during setup.
- Declare official support for Python 3.14.
- Introduce a reusable validator to ensure remote B2 file names are safe to use as local paths.
- Drop support for Python 3.9 and PyPy 3.9.
PR: 295590
Reported by: github
Approved by: PopularMoment@protonmail.com (maintainer)