switch router to async-lock

packages/router-core/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-async-rwlock = "1.3.0"
+async-lock = "2.7.0"
 either = "1.8.0"
 futures-channel = "0.3.25"
 futures-util = "0.3.25"