devel/pylyzer: Fix build with rust-1.76.0

Import upstream patch [1] to fix the following error:

error[E0512]: cannot transmute between types of different sizes, or dependently-sized types

--> /wrkdirs/usr/ports/devel/pylyzer/work/pylyzer-0.0.51/cargo-crates/rustpython-ast-0.3.0/src/impls.rs:60:1

[1] https://github.com/RustPython/Parser/commit/29c4728dbedc7e69cc2560b9b34058bbba9b1303

PR: 276920
Approved by: portmgr (build fix blanket)