Bump tokio (and related dependencies)

Author: Urhengulas

Cargo.toml

@@ -33,7 +33,7 @@ itoa = "0.4.1"
 tracing = { version = "0.1", default-features = false, features = ["log", "std"] }
 pin-project = "1.0"
 tower-service = "0.3"
-tokio = { version = "0.2.11", features = ["sync"] }
+tokio = { version = "0.3", features = ["sync"] }
 want = "0.3"
 
 # Optional
@@ -49,9 +49,9 @@ spmc = "0.3"
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-tokio = { version = "0.2.2", features = ["fs", "macros", "io-std", "rt-util", "sync", "time", "test-util"] }
-tokio-test = "0.2"
-tokio-util = { version = "0.3", features = ["codec"] }
+tokio = { version = "0.3", features = ["fs", "macros", "io-std", "rt", "sync", "time", "test-util"] }
+tokio-test = "0.3"
+tokio-util = { version = "0.4", features = ["codec"] }
 tower-util = "0.3"
 url = "1.0"
 
@@ -65,12 +65,12 @@ default = [
 ]
 runtime = [
     "tcp",
-    "tokio/rt-core",
+    "tokio/rt",
 ]
 tcp = [
     "socket2",
-    "tokio/blocking",
-    "tokio/tcp",
+    "tokio/net",
+    "tokio/rt",
     "tokio/time",
 ]