chore: add elapsed info to logs (#20035)

Author: mattsse

crates/engine/tree/src/tree/mod.rs

@@ -1313,7 +1313,7 @@ where
                         return Ok(())
                     };
 
-                    debug!(target: "engine::tree", ?last_persisted_block_hash, ?last_persisted_block_number, "Finished persisting, calling finish");
+                    debug!(target: "engine::tree", ?last_persisted_block_hash, ?last_persisted_block_number, elapsed=?start_time.elapsed(), "Finished persisting, calling finish");
                     self.persistence_state
                         .finish(last_persisted_block_hash, last_persisted_block_number);
                     self.on_new_persisted_block()?;
@@ -1424,7 +1424,7 @@ where
                                         .engine
                                         .failed_forkchoice_updated_response_deliveries
                                         .increment(1);
-                                    error!(target: "engine::tree", "Failed to send event: {err:?}");
+                                    error!(target: "engine::tree", elapsed=?start.elapsed(), "Failed to send event: {err:?}");
                                 }
                             }
                             BeaconEngineMessage::NewPayload { payload, tx } => {