Update to Rust 2024HEADmain

Summary:

Test Plan:

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index c917a21..a1d9ac0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cas"
 version = "0.10.1"
-edition = "2021"
+edition = "2024"
 authors = ["Santo Cariotti <santo@dcariotti.me>", "Luca Polese <luca.polese@studio.unibo.it>"]
 documentation = "https://cas-4.github.io/backend/cas/index.html"
 homepage = "https://github.com/cas-4/backend"