Updates to ESlint 8.

[manovotny]

This is currently based on the v7 branch (#173), but could be switched to main if v7 get's merged first.

Updates to ESLint 8.

There's a few dependencies that need to be updated before this can be nicely merged (we can get forceful if need be, but giving the ecosystem time to adopt).

• [x] eslint-plugin-jsx-a11y
  • https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/pull/810
• [x] eslint-plugin-react
  • https://github.com/yannickcr/eslint-plugin-react/pull/3059
• [x] eslint-plugin-react-hooks (merged, but not released)
  • https://github.com/facebook/react/pull/22248
• [x] eslint-plugin-react-native
  • https://github.com/Intellicode/eslint-plugin-react-native/pull/299