chore(zustand): upgrade to v4

packages/core/src/index.ts

@@ -39,6 +39,6 @@ export { default as useEdges } from './hooks/useEdges';
 export { default as useViewport } from './hooks/useViewport';
 export { default as useKeyPress } from './hooks/useKeyPress';
 export * from './hooks/useNodesEdgesState';
-export { useStore, useStoreApi } from './store';
+export { useStore, useStoreApi } from './hooks/useStore';
 
 export * from './types';