message: chore(dependencies): require tokio 0.2.11
  Closes
diff: @@ -33,7 +33,7 @@ tracing = { version = "0.1", default-features = false, features = ["log", "std"]
  pin-project = "0.4.20"
  time = "0.1"
  tower-service = "0.3"
  -tokio = { version = "0.2.5", features = ["sync"] }
  +tokio = { version = "0.2.11", features = ["sync"] }
  want = "0.3"
  # Optional
  