message: Fix optional `tokio-io` not having `io` feature enabled
diff: @@ -57,7 +57,7 @@ tokio = { version = "1.0.1", features = ["time", "signal", "sync"] }
  static_assertions = "1.1.0"
  kube-derive = { path = "../kube-derive", version = "^0.46.0", optional = true }
  jsonpath_lib = "0.2.6"
  -tokio-util = { version = "0.6.0", optional = true }
  +tokio-util = { version = "0.6.0", optional = true, features = ["io"] }
  [dependencies.async-tungstenite]
  version = "0.11.0"
  