Upgrade to release 3.4.7:
- Pre-built optimized version using mypy[c] v1.20.
- Relax setuptools constraint to setuptools>=68,<82.1.
- Correctly remove SIG remnant in utf-7 decoded string.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
