build: update devdependency eslint to ~7.30.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint (source)	~7.29.0 -> ~7.30.0

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Release Notes

eslint/eslint

### [`v7.30.0`](https://togithub.com/eslint/eslint/releases/v7.30.0) [Compare Source](https://togithub.com/eslint/eslint/compare/v7.29.0...v7.30.0) - [`5f74642`](https://togithub.com/eslint/eslint/commit/5f746420700d457b92dd86659de588d272937b79) Chore: don't check Program.start in SourceCode#getComments (refs [#​14744](https://togithub.com/eslint/eslint/issues/14744)) ([#​14748](https://togithub.com/eslint/eslint/issues/14748)) (Milos Djermanovic) - [`19a871a`](https://togithub.com/eslint/eslint/commit/19a871a35ae9997ce352624b1081c96c54b73a9f) Docs: Suggest linting plugins for ESLint plugin developers ([#​14754](https://togithub.com/eslint/eslint/issues/14754)) (Bryan Mishkin) - [`aa87329`](https://togithub.com/eslint/eslint/commit/aa87329d919f569404ca573b439934552006572f) Docs: fix broken links ([#​14756](https://togithub.com/eslint/eslint/issues/14756)) (Sam Chen) - [`278813a`](https://togithub.com/eslint/eslint/commit/278813a6e759f6b5512ac64c7530c9c51732e692) Docs: fix and add more examples for new-cap rule (fixes [#​12874](https://togithub.com/eslint/eslint/issues/12874)) ([#​14725](https://togithub.com/eslint/eslint/issues/14725)) (Nitin Kumar) - [`ed1da5d`](https://togithub.com/eslint/eslint/commit/ed1da5d96af2587b7211854e45cf8657ef808710) Update: ecmaVersion allows "latest" ([#​14720](https://togithub.com/eslint/eslint/issues/14720)) (薛定谔的猫) - [`104c0b5`](https://togithub.com/eslint/eslint/commit/104c0b592f203d315a108d311c58375357e40b24) Update: improve use-isnan rule to detect `Number.NaN` (fixes [#​14715](https://togithub.com/eslint/eslint/issues/14715)) ([#​14718](https://togithub.com/eslint/eslint/issues/14718)) (Nitin Kumar) - [`b08170b`](https://togithub.com/eslint/eslint/commit/b08170b92beb22db6ec612ebdfff930f9e0582ab) Update: Implement FlatConfigArray (refs [#​13481](https://togithub.com/eslint/eslint/issues/13481)) ([#​14321](https://togithub.com/eslint/eslint/issues/14321)) (Nicholas C. Zakas) - [`f113cdd`](https://togithub.com/eslint/eslint/commit/f113cdd872257d72bbd66d95e4eaf13623323b24) Chore: upgrade eslint-plugin-eslint-plugin ([#​14738](https://togithub.com/eslint/eslint/issues/14738)) (薛定谔的猫) - [`1b8997a`](https://togithub.com/eslint/eslint/commit/1b8997ab63781f4ebf87e3269400b2ef4c7d2973) Docs: Fix getRulesMetaForResults link syntax ([#​14723](https://togithub.com/eslint/eslint/issues/14723)) (Brandon Mills) - [`aada733`](https://togithub.com/eslint/eslint/commit/aada733d2aee830aa32cccb9828cd72db4ccd6bd) Docs: fix two broken links ([#​14726](https://togithub.com/eslint/eslint/issues/14726)) (Sam Chen) - [`8972529`](https://togithub.com/eslint/eslint/commit/8972529f82d13bd04059ee8852b4ebb9b5350962) Docs: Update README team and sponsors (ESLint Jenkins)

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