fix clippy errors

matrix-authentication-service/src/filters/csrf.rs

@@ -104,5 +104,5 @@ pub fn save_csrf_token<R: Reply, F>(
 where
     F: Filter<Extract = (CsrfToken, R), Error = Rejection> + Clone + Send + Sync + 'static,
 {
-    save_encrypted("csrf", &cookies_config)
+    save_encrypted("csrf", cookies_config)
 }

matrix-authentication-service/src/main.rs

@@ -16,6 +16,7 @@
 #![deny(clippy::all)]
 #![warn(clippy::pedantic)]
 #![allow(clippy::module_name_repetitions)]
+#![allow(clippy::unused_async)]
 
 use anyhow::Context;
 use clap::Clap;