Let chains have been stabalized.

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "natter"
 version = "0.0.1"
-edition = "2021"
+edition = "2024"
 authors = ["Tom Alexander <tom@fizz.buzz>"]
 description = "A static site generator using org source files."
 license = "0BSD"

src/main.rs

@@ -1,4 +1,3 @@
-#![feature(let_chains)]
 use std::process::ExitCode;
 
 use clap::Parser;