fix: wildcard dep spec

Author: prestwich

Cargo.toml

@@ -41,7 +41,7 @@ futures-util = { version = "0.3.31", optional = true }
 [dev-dependencies]
 tempfile = "3.15.0"
 tracing-subscriber = "0.3.19"
-axum = { version = "*", features = ["macros"] }
+axum = { version = "0.8.1", features = ["macros"] }
 
 [features]
 default = ["axum", "ws", "ipc"]