deps: bump snow from 0.9.3 to 0.9.4

Pull-Request: #4844.

Author: dependabot[bot]

Cargo.lock

@@ -28,7 +28,7 @@ x25519-dalek = "2"
 zeroize = "1"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-snow = { version = "0.9.2", features = ["ring-resolver"], default-features = false }
+snow = { version = "0.9.4", features = ["ring-resolver"], default-features = false }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 snow = { version = "0.9.2", features = ["default-resolver"], default-features = false }