chore(deps-dev): bump eslint-plugin-mdx from 3.5.0 to 3.6.0 (#504)

Bumps [eslint-plugin-mdx](https://github.com/mdx-js/eslint-mdx) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/mdx-js/eslint-mdx/releases)
- [Changelog](https://github.com/mdx-js/eslint-mdx/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mdx-js/eslint-mdx/compare/eslint-plugin-mdx@3.5.0...eslint-plugin-mdx@3.6.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-mdx
  dependency-version: 3.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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