Fix Tungstenite build error caused by the URL feature (#174)

Since tungstenite 0.22.0, support for url::Url has become an optional feature, which breaks message-io builds.
This commit updates tungstenite to versions greater than or equal to 0.22.0 and requires the URL feature to fix builds.

Author: TechnoPorg

Cargo.lock

@@ -31,7 +31,7 @@ crossbeam-utils = "0.8"
 log = "0.4"
 strum = { version = "0.24", features = ["derive"] }
 socket2 = { version = "0.5.1", features = ["all"], optional = true}
-tungstenite = { version = ">=0.20.1", optional = true }
+tungstenite = { version = ">=0.22.0", features = ["url"], optional = true }
 url = { version = "2.2", optional = true }
 integer-encoding = "3.0.2"
 lazy_static = "1.4.0"