build(deps): bump slab from 0.4.10 to 0.4.11 (#270)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Rob Ede <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -1,15 +1,9 @@
 use std::{fmt, sync::Arc, time::Duration};
 
 use actix_web::dev::Service;
-use derive_more::{Display, Error, From};
 use lru_time_cache::LruCache;
 use tokio::sync::Mutex;
 
-#[derive(Debug, Clone, Display, From, Error)]
-pub struct CacheError<E> {
-    inner: E,
-}
-
 #[derive(Clone)]
 pub struct Cache<S, Req>
 where