[v5] fix rollup config for cjs

[dai-shi]

For #2138

There was an issue in #2380.

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Name	Status	Preview	Comments	Updated (UTC)
zustand-demo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 23, 2024 4:02am

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[github-actions]

Size Change: -174 B (-3%)

Total Size: 6.21 kB

Filename	Size	Change
dist/index.js	244 B	-209 B (-46%)	🎉
dist/middleware.js	3.57 kB	+3.07 kB (+618%)	🆘
dist/middleware/immer.js	229 B	-337 B (-60%)	🏆
dist/react.js	353 B	-586 B (-62%)	🏆
dist/react/shallow.js	222 B	-595 B (-73%)	🏆
dist/shallow.js	191 B	-294 B (-61%)	🏆
dist/traditional.js	425 B	-597 B (-58%)	🏆
dist/vanilla.js	416 B	-325 B (-44%)	🎉
dist/vanilla/shallow.js	563 B	-301 B (-35%)	🎉

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