Ignore derive_partial_eq_without_eq clippy lint

    error: you are deriving `PartialEq` and can implement `Eq`
     --> tests/test_derive.rs:8:34
      |
    8 | #[derive(Serialize, Deserialize, PartialEq, Debug)]
      |                                  ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq`
      |
      = note: `-D clippy::derive-partial-eq-without-eq` implied by `-D clippy::all`
      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_partial_eq_without_eq

tests/test_derive.rs

@@ -1,4 +1,4 @@
-#![allow(clippy::ref_option_ref)]
+#![allow(clippy::derive_partial_eq_without_eq, clippy::ref_option_ref)]
 
 use serde_bytes::{ByteBuf, Bytes};
 use serde_derive::{Deserialize, Serialize};