update: CHANGELOG.md

[nullnyat]

What

こちらのプルリクで起きた変更をCHANGELOGに反映させました。

Why

Additional info (optional)

Checklist

• [ ] Read the contribution guide
• [ ] Test working in a local environment
• [ ] (If needed) Add story of storybook
• [ ] (If needed) Update CHANGELOG.md
• [ ] (If possible) Add tests

[kakkokari-gtyih]

🙏