fix(ci): disable rumqttc default rustls feature for audit

Author: argahsuknesib

Cargo.toml

@@ -16,7 +16,7 @@ serde = { version = "1.0", features = ["derive"] }
 bincode = "1.0"
 rsp-rs = "0.3.5"
 oxigraph = "0.5"
-rumqttc = "0.25.1"
+rumqttc = { version = "0.25.1", default-features = false }
 serde_json = "1.0.145"
 tokio = { version = "1.48.0", features = ["full"] }
 ctrlc = "3.5.1"