Resolve needless_borrow clippy lint in &[u8; N] deserialization

    warning: this expression creates a reference which is immediately dereferenced by the compiler
      --> src/de.rs:82:12
       |
    82 |         Ok(&arr)
       |            ^^^^ help: change this to: `arr`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
       = note: `-W clippy::needless-borrow` implied by `-W clippy::all`
       = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrow)]`

Author: dtolnay

src/de.rs

@@ -78,8 +78,8 @@ impl<'de, const N: usize> Deserialize<'de> for &'de [u8; N] {
     where
         D: Deserializer<'de>,
     {
-        let arr: &'de ByteArray<N> = serde::Deserialize::deserialize(deserializer)?;
-        Ok(&arr)
+        let arr: &ByteArray<N> = serde::Deserialize::deserialize(deserializer)?;
+        Ok(arr)
     }
 }