chore(ops): upgrade to 2024 edition

Part of #114

Change-Id: I2aea31c745af5de71e3a6c153e55aae3457c87e5
Reviewed-on: https://cl.snix.dev/c/snix/+/30594
Reviewed-by: Florian Klink <flokli@flokli.de>
Tested-by: besadii
Autosubmit: Bence Nemes <nemes.bence1@gmail.com>

ops/gerrit-autosubmit/src/main.rs

@@ -23,7 +23,7 @@ use std::collections::{BTreeMap, HashMap, HashSet};
 use std::{thread, time};
 
 mod gerrit {
-    use anyhow::{anyhow, Context, Result};
+    use anyhow::{Context, Result, anyhow};
     use serde::Deserialize;
     use serde_json::Value;
     use std::collections::HashMap;