Update to Actix 4

src/data/mod.rs

@@ -53,7 +53,6 @@ impl FromStr for Claims {
 impl FromRequest for Claims {
     type Error = Error;
     type Future = Ready<Result<Self, Self::Error>>;
-    type Config = ();
 
     fn from_request(req: &HttpRequest, _payload: &mut dev::Payload) -> Self::Future {
         req.headers()