fix: return from useUpdateEffect

Author: streamich

src/useUpdateEffect.ts

@@ -7,7 +7,7 @@ const useUpdateEffect: typeof useEffect = (effect, deps) => {
  if (isInitialMount.current) {
  isInitialMount.current = false;
  } else {
- effect();
+ return effect();
  }
  }, deps);
 };