chore: resolve clippy warnings for pre-push audit

nvim-core/src/lib.rs

@@ -2551,10 +2551,7 @@ mod tests {
             rmpv_to_json(&rmpv::Value::Integer(42.into())),
             serde_json::json!(42)
         );
-        assert_eq!(
-            rmpv_to_json(&rmpv::Value::F64(3.14)),
-            serde_json::json!(3.14)
-        );
+        assert_eq!(rmpv_to_json(&rmpv::Value::F64(3.5)), serde_json::json!(3.5));
         assert_eq!(
             rmpv_to_json(&rmpv::Value::String("hello".into())),
             serde_json::json!("hello")