Upgrade to release 3.12.0:
- Serialization implementation substantially rewritten.
- Publish PyPI wheels for Python 3.15. For Python 3.15 and later,
manylinux_2_39 (2024) is targeted instead of manylinux_2_17 (2012).
- No longer publish PyPI wheels for ppc64le and s390x.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
