build: update to async-nats 0.43

Author: linux-china

Cargo.toml

@@ -48,7 +48,7 @@ just = "1.42"
 reqwest = { version = "0.12", features = ["blocking"] }
 anyhow = "1.0"
 tokio = { version = "1.47", features = ["full"] }
-async-nats = "0.42.0"
+async-nats = "0.43.0"
 minio = "0.3"
 
 [profile.release]