chore(deps): update dependency @antfu/eslint-config to v2.20.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@antfu/eslint-config	2.19.2 -> 2.20.0

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Release Notes

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

### [`v2.20.0`](https://togithub.com/antfu/eslint-config/releases/tag/v2.20.0) [Compare Source](https://togithub.com/antfu/eslint-config/compare/v2.19.2...v2.20.0) #####    🚀 Features - Update astro plugin to v1.0  -  by [@​tinchoz49](https://togithub.com/tinchoz49) and [@​antfu](https://togithub.com/antfu) in [https://github.com/antfu/eslint-config/issues/492](https://togithub.com/antfu/eslint-config/issues/492) [(49a9d)](https://togithub.com/antfu/eslint-config/commit/49a9d0c) #####     [View changes on GitHub](https://togithub.com/antfu/eslint-config/compare/v2.19.2...v2.20.0)

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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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