chore(deps): update devdependency eslint to ^7.8.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint (source)	devDependencies	patch	^7.8.0 -> ^7.8.1

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Release Notes

eslint/eslint

### [`v7.8.1`](https://togithub.com/eslint/eslint/releases/v7.8.1) [Compare Source](https://togithub.com/eslint/eslint/compare/v7.8.0...v7.8.1) - [`f542b5d`](https://togithub.com/eslint/eslint/commit/f542b5d0679b73326ad249fc44a54c3f848bd3e6) Fix: Update broken [@​eslint/eslintrc](https://togithub.com/eslint/eslintrc) version (fixes [#​13641](https://togithub.com/eslint/eslint/issues/13641)) ([#​13647](https://togithub.com/eslint/eslint/issues/13647)) (Nicholas C. Zakas) - [`c1b5696`](https://togithub.com/eslint/eslint/commit/c1b56966c2354e12d16e8394443de49fa54f4290) Sponsors: Sync README with website (ESLint Jenkins) - [`8ddeda0`](https://togithub.com/eslint/eslint/commit/8ddeda01afdb1e9656a43853b8e25c9c4582e6ad) Sponsors: Sync README with website (ESLint Jenkins) - [`e02e2fe`](https://togithub.com/eslint/eslint/commit/e02e2fe019a1ed9a34a7b96e4c8961c35093b0ce) Sponsors: Sync README with website (ESLint Jenkins)

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