chore(deps): update dependency @antfu/eslint-config to v2.21.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@antfu/eslint-config	2.21.1 -> 2.21.2

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Release Notes

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

### [`v2.21.2`](https://togithub.com/antfu/eslint-config/releases/tag/v2.21.2) [Compare Source](https://togithub.com/antfu/eslint-config/compare/v2.21.1...v2.21.2) #####    🚀 Features - Add nvim support for `isInEditor`  -  by [@​ryoppippi](https://togithub.com/ryoppippi) in [https://github.com/antfu/eslint-config/issues/507](https://togithub.com/antfu/eslint-config/issues/507) [(8f992)](https://togithub.com/antfu/eslint-config/commit/8f992fe) - **typescript**: - Add 'ts/return-await' rule  -  by [@​ryoppippi](https://togithub.com/ryoppippi) in [https://github.com/antfu/eslint-config/issues/509](https://togithub.com/antfu/eslint-config/issues/509) [(498cb)](https://togithub.com/antfu/eslint-config/commit/498cb76) - Add `ts/switch-exhaustiveness-check` rule  -  by [@​ryoppippi](https://togithub.com/ryoppippi) in [https://github.com/antfu/eslint-config/issues/508](https://togithub.com/antfu/eslint-config/issues/508) [(33c63)](https://togithub.com/antfu/eslint-config/commit/33c6327) - Add 'ts/promise-function-async' to type aware rule  -  by [@​ryoppippi](https://togithub.com/ryoppippi) in [https://github.com/antfu/eslint-config/issues/511](https://togithub.com/antfu/eslint-config/issues/511) [(e7cd2)](https://togithub.com/antfu/eslint-config/commit/e7cd2bf) #####    🐞 Bug Fixes - Peer dependency version of svelte-eslint-parser  -  by [@​thenbe](https://togithub.com/thenbe) in [https://github.com/antfu/eslint-config/issues/504](https://togithub.com/antfu/eslint-config/issues/504) [(435e1)](https://togithub.com/antfu/eslint-config/commit/435e1ce) - Ignore vite timestamp file  -  by [@​CofCat456](https://togithub.com/CofCat456) in [https://github.com/antfu/eslint-config/issues/515](https://togithub.com/antfu/eslint-config/issues/515) [(8f36c)](https://togithub.com/antfu/eslint-config/commit/8f36c5b) #####     [View changes on GitHub](https://togithub.com/antfu/eslint-config/compare/v2.21.1...v2.21.2)

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Configuration

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