Migrate to use zbus for all dbus requirements

asus-notify/Cargo.toml

@@ -11,11 +11,12 @@ edition = "2018"
 serde = "^1.0"
 serde_derive = "^1.0"
 serde_json = "^1.0"
-dbus = { version = "^0.8" }
 asus-nb = { path = "../asus-nb" }
 asus-nb-ctrl = { path = "../asus-nb-ctrl" }
+zbus = "^1.8"
+zvariant = "^2.4"
 
 [dependencies.notify-rust]
-version = "^4.0.0"
+version = "^4.0"
 default-features = false
 features = ["z"]