November 2023 - Rust Nightly Update (#413)

* Update nightly

* Replace .get(0) with .first()

* allow new clippy lint

---------

Co-authored-by: GitHub Actions <>
Co-authored-by: Luke Parker <lukeparker5132@gmail.com>

crypto/multiexp/src/batch.rs

@@ -123,7 +123,7 @@ where
     }
 
     slice
-      .get(0)
+      .first()
       .filter(|(_, value)| !bool::from(multiexp_vartime(value).is_identity()))
       .map(|(id, _)| *id)
   }