Update dependency eslint to v6.2.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint (source)	devDependencies	patch	6.2.0 -> 6.2.2

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Release Notes

eslint/eslint

### [`v6.2.2`](https://togithub.com/eslint/eslint/releases/v6.2.2) [Compare Source](https://togithub.com/eslint/eslint/compare/v6.2.1...v6.2.2) - [`0e0b784`](https://togithub.com/eslint/eslint/commit/0e0b784b922051c2a1d39dd8160382114b645800) Upgrade: espree@^6.1.1 ([#​12158](https://togithub.com/eslint/eslint/issues/12158)) (Kevin Partington) - [`04e859f`](https://togithub.com/eslint/eslint/commit/04e859f228d081efd3af6edb22563dbc775f8d1d) Sponsors: Sync README with website (ESLint Jenkins) - [`34783d1`](https://togithub.com/eslint/eslint/commit/34783d10ff9b58a3c1e39a36e10864caeb9f66e0) Sponsors: Sync README with website (ESLint Jenkins) - [`b809e72`](https://togithub.com/eslint/eslint/commit/b809e72221bc658e5a42bfd4b8723d3771571f9e) Docs: Update README team and sponsors (ESLint Jenkins) ### [`v6.2.1`](https://togithub.com/eslint/eslint/releases/v6.2.1) [Compare Source](https://togithub.com/eslint/eslint/compare/v6.2.0...v6.2.1) - [`8c021b5`](https://togithub.com/eslint/eslint/commit/8c021b5917b3aa3c578ffe3972106d0a6bcf0838) Upgrade: eslint-utils 1.4.2 ([#​12131](https://togithub.com/eslint/eslint/issues/12131)) (Toru Nagashima) - [`e82388b`](https://togithub.com/eslint/eslint/commit/e82388bd87717430200ec554634cc08806e38d3c) Sponsors: Sync README with website (ESLint Jenkins) - [`4aeeeed`](https://togithub.com/eslint/eslint/commit/4aeeeedb656ee3519ea82ebf0cb41ca801215046) Docs: update docs for ecmaVersion 2020 ([#​12120](https://togithub.com/eslint/eslint/issues/12120)) (silverwind) - [`6886148`](https://togithub.com/eslint/eslint/commit/6886148d1f528659ec3e125f61ef7a5f4c67556d) Docs: Add duplicate keys limitation to accessor-pairs ([#​12124](https://togithub.com/eslint/eslint/issues/12124)) (Milos Djermanovic)

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