npm(deps): bump mdast-util-mdx-jsx from 3.1.3 to 3.2.0 (#540)

Bumps [mdast-util-mdx-jsx](https://github.com/syntax-tree/mdast-util-mdx-jsx) from 3.1.3 to 3.2.0.
- [Release notes](https://github.com/syntax-tree/mdast-util-mdx-jsx/releases)
- [Commits](syntax-tree/mdast-util-mdx-jsx@3.1.3...3.2.0)

---
updated-dependencies:
- dependency-name: mdast-util-mdx-jsx
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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