Update dependency @antfu/eslint-config to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@antfu/eslint-config	7.7.2 → 9.0.0

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Release Notes

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

v9.0.0

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   🚨 Breaking Changes

• react: Update eslint react to 5.0  -  by @​hyoban in #​839 (06a1a)

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v8.3.0

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   🚀 Features

• Make perfectionist configurable inside antfu()  -  by @​oliver139 in #​848 (ae1d6)
• stylistic: Allow easy setting brace style  -  by @​oliver139 in #​846 (bd784)
• svelte: Use recommended rules  -  by @​Jungzl in #​842 (6c839)

   🐞 Bug Fixes

• markdown: Scope user rule overrides away from md files  -  by @​antfu and Claude Opus 4.7 (1M context) in #​844 (8d25a)

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v8.2.0

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   🐞 Bug Fixes

• Disbale e18e/prefer-static-regex in non-lib mode  -  by @​antfu (52069)

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v8.1.1

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   🐞 Bug Fixes

• Update default exclude  -  by @​antfu (527b6)

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v8.1.0

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   🐞 Bug Fixes

• Disable some e18e rules  -  by @​antfu (299c2)

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v8.0.0

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   🚨 Breaking Changes

• react: Update eslint react to 3.0  -  by @​hyoban in #​832 (83c1d)

   🚀 Features

• Update plugins  -  by @​antfu (ad998)

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v7.7.3

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   🐞 Bug Fixes

• Disable some e18e rules  -  by @​antfu (7edec)

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