chore(deps-dev): bump eslint-plugin-mdx from 2.3.3 to 3.1.5 in /docs

Bumps [eslint-plugin-mdx](https://github.com/mdx-js/eslint-mdx) from 2.3.3 to 3.1.5.
- [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@2.3.3...eslint-plugin-mdx@3.1.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

docs/package.json

@@ -52,7 +52,7 @@
     "@types/react-router-dom": "^5.1.7",
     "eslint": "^8.39.0",
     "eslint-config-prettier": "^8.8.0",
-    "eslint-plugin-mdx": "^2.0.5",
+    "eslint-plugin-mdx": "^3.1.5",
     "eslint-plugin-react": "^7.33.2",
     "json-schema-to-typescript": "^13.1.1",
     "mustache": "^4.2.0",