feat: take a short break after a news update fetch to not hammer the server

Author: ilyvion

database/.sqlx/query-fb72ef2f19c5d5aa356ffe4a00ab1b1a7641d6d1b4a36df6cb3952de6975a9a5.json

@@ -150,6 +150,9 @@ impl NewsUpdater {
                 )
                 .await?;
             }
+
+            // Take a short break after a news update to not hammer the server.
+            sleep(Duration::from_millis(500)).await;
         }
 
         info!("Saving any changes to the news to the database.");