Fix gh fork command (#2442)

evals/scripts/setup.sh

@@ -280,7 +280,7 @@ if [[ ! -d "../../evals" ]]; then
     read -p "🔗 Would you like to be able to share eval results? (Y/n): " fork_evals
 
     if [[ "$fork_evals" =~ ^[Yy]|^$ ]]; then
-      gh repo fork cte/evals ../../evals || exit 1
+      gh repo fork cte/evals --clone ../../evals || exit 1
     else
       gh repo clone cte/evals ../../evals || exit 1
     fi