devel/py-maturin: Update to 1.2.0

• Switch to PEP517 build framework and remove workarounds for distutils which are no longer required.

• Remove restriction for 32-bit architectures as the generation of 32-bit Python wheels is now possible for FreeBSD. [1]

Changelogs since 0.13.2:

https://github.com/PyO3/maturin/blob/v1.2.0/Changelog.md

PR: 272570, 272620 [1]
Reported by: Miroslav Lachman, John Hein [1]
MFH: No (feature release and breaking changes)