Add test_db_async_prop.json and update dependencies in Cargo.toml

Author: 0xGeorgii

Cargo.lock

@@ -9,4 +9,5 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 parking_lot = "0.12"
 crossbeam-channel = "0.5"
-simd-json = "0.15.0"
+simd-json = "0.15.0"
+tempfile = "3.19.1"