Add workspace lints

substrate/client/Cargo.toml

@@ -13,6 +13,9 @@ rust-version = "1.74"
 all-features = true
 rustdoc-args = ["--cfg", "docsrs"]
 
+[lints]
+workspace = true
+
 [dependencies]
 zeroize = "^1.5"
 thiserror = { version = "1", optional = true }

substrate/client/src/serai/mod.rs

@@ -317,7 +317,6 @@ impl<'a> TemporalSerai<'a> {
     if events.is_none() {
       drop(events);
       let mut events_write = self.events.write().await;
-      #[allow(clippy::unwrap_or_default)]
       if events_write.is_none() {
         *events_write = Some(self.storage("System", "Events", ()).await?.unwrap_or(vec![]));
       }