update rust crates to 2024 edition

example-binary/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "example-binary"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 mlua = { version = ">=0.9.3", features = ["lua51", "vendored"] }

example-binary/src/main.rs

@@ -1,5 +1,7 @@
 fn main() {
     let lua = mlua::Lua::new();
 
-    lua.load(r#"print("Hello from WebAssembly Lua!")"#).exec().unwrap();
+    lua.load(r#"print("Hello from WebAssembly Lua!")"#)
+        .exec()
+        .unwrap();
 }