Consider actions a dependency of Monaco Editor.

Otherwise the component isn't regenerated when the actions change.
In this particular case, the `runCode` callback is the one that would
change and cause missed re-renders.

Author: whitequark

src/monaco.tsx

@@ -63,7 +63,7 @@ export function Editor({ state, actions = [], padding, focus = false }: EditorPr
       resizeObserver.disconnect();
       editorRef.current?.dispose();
     };
-  }, []);
+  }, [actions]);
 
   return <div style={{ height: '100%' }} ref={containerRef}/>;
 }