remove allow unaligned_references, converted to hard error

This fixes the warning:

warning: lint `unaligned_references` has been removed: converted into
hard error, see issue #82523
<rust-lang/rust#82523> for more information

src/lib.rs

@@ -2,7 +2,6 @@
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]
 #![allow(improper_ctypes)]
-#![allow(unaligned_references)]
 #![allow(deref_nullptr)]
 
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));