devel/py-maturin: Update to 1.4.0

• Convert the patches for the "ring" crate accordingly as it was updated to a newer version. The ARM/ARM64 related bits were moved into a new file (= src/cpu/arm.rs).

Thanks to mikael for build tests on 14.0 aarch64.

Changelogs since 1.3.1:

https://github.com/PyO3/maturin/releases/tag/v1.4.0
https://github.com/PyO3/maturin/releases/tag/v1.3.2