fix: bump edition. it should cause a ci error

Author: Ddystopia

rtic/Cargo.toml

@@ -9,7 +9,7 @@ authors = [
 categories = ["concurrency", "embedded", "no-std", "asynchronous"]
 description = "Real-Time Interrupt-driven Concurrency (RTIC): a concurrency framework for building real-time systems"
 documentation = "https://rtic.rs/"
-edition = "2021"
+edition = "2024"
 keywords = ["embedded", "async", "runtime", "no-std", "rtos"]
 license = "MIT OR Apache-2.0"
 name = "rtic"