chore(deps): update devdependency @antfu/eslint-config to ^2.6.4

[hywax-assistant]

This PR contains the following updates:

Package	Type	Update	Change
@antfu/eslint-config	devDependencies	patch	^2.6.3 -> ^2.6.4

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Release Notes

antfu/eslint-config (@​antfu/eslint-config)

### [`v2.6.4`](https://togithub.com/antfu/eslint-config/releases/tag/v2.6.4) [Compare Source](https://togithub.com/antfu/eslint-config/compare/v2.6.3...v2.6.4) #####    🚀 Features - Enable `method-signature-style`  -  by [@​antfu](https://togithub.com/antfu) [(d205d)](https://togithub.com/antfu/eslint-config/commit/d205d0d) #####    🐞 Bug Fixes - Pick `name` into `fusedConfig`.  -  by [@​lvjiaxuan](https://togithub.com/lvjiaxuan) in [https://github.com/antfu/eslint-config/issues/397](https://togithub.com/antfu/eslint-config/issues/397) [(37070)](https://togithub.com/antfu/eslint-config/commit/3707078) #####     [View changes on GitHub](https://togithub.com/antfu/eslint-config/compare/v2.6.3...v2.6.4)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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This PR has been generated by Hywax Assistant.