ci: run clippy on all targets

A small left-over mistake from moving towards `Cargo.toml` controlled lint configuration.

Pull-Request: #4654.

protocols/kad/CHANGELOG.md

@@ -8,6 +8,12 @@
 
 [PR 4547]: https://github.com/libp2p/rust-libp2p/pull/4547
 
+<!-- Internal changes:
+
+- Fix lints in tests
+
+-->
+
 ## 0.44.5
 - Migrate to `quick-protobuf-codec` crate for codec logic.
   See [PR 4501].

protocols/kad/src/handler.rs

@@ -1224,14 +1224,14 @@ mod tests {
 
             match current {
                 None => {
-                    assert_eq!(new.reported, false);
+                    assert!(!new.reported);
                     assert_eq!(new.supported, now_supported);
                 }
                 Some(current) => {
                     if current.supported == now_supported {
-                        assert_eq!(new.reported, true);
+                        assert!(new.reported);
                     } else {
-                        assert_eq!(new.reported, false);
+                        assert!(!new.reported);
                     }
 
                     assert_eq!(new.supported, now_supported);