docs: update changelog (follow-up of #13949)

[KisaragiEffective]

What

13949 でCHANGELOG.md を更新し忘れたのでそのコミット

Why

更新履歴に乗らなくてサーバー管理者が困るため

Additional info (optional)

Checklist

• [x] 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

[syuilo]

🙏🏻