silence unused_qualification clippys warning due to async traits

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/database/key_value/globals.rs

@@ -40,6 +40,7 @@ impl service::globals::Data for KeyValueDatabase {
 		Ok(())
 	}
 
+	#[allow(unused_qualifications)] // async traits
 	async fn watch(&self, user_id: &UserId, device_id: &DeviceId) -> Result<()> {
 		let userid_bytes = user_id.as_bytes().to_vec();
 		let mut userid_prefix = userid_bytes.clone();