Upgrade build_helper to edition 2024

Author: Kobzol

src/build_helper/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "build_helper"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html