chore(deps): update dependency eslint-plugin-jsx-a11y to v6.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-plugin-jsx-a11y	devDependencies	patch	6.4.0 -> 6.4.1

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Release Notes

evcohen/eslint-plugin-jsx-a11y

### [`v6.4.1`](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/blob/master/CHANGELOG.md#​641--2020-10-26) [Compare Source](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/compare/v6.4.0...v6.4.1) ================== - [`f8a4496`](https://togithub.com/evcohen/eslint-plugin-jsx-a11y/commit/f8a4496) Upgrade jsx-ast-utils to v3.1.0

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