Project website + use Apalis crate for task queue (with redis backend)

instead channel and semaphore queue + upgrade to rust 1.99

crates/steep-server/src/state.rs

@@ -1,8 +1,11 @@
-use crate::{bot::Bot, env::EnvConfig, gitea::WebhookType};
+use apalis_redis::RedisStorage;
+
+use crate::{dedup::Dedup, env::EnvConfig, gitea::WebhookType};
 
 #[derive(Clone)]
 pub struct AppState {
-    pub bot_tx: tokio::sync::mpsc::Sender<WebhookType>,
-    pub bot: Bot,
+    pub storage: RedisStorage<WebhookType>,
+    pub bot_name: String,
+    pub dedup: Dedup,
     pub config: EnvConfig,
 }