Bump eslint-plugin-mdx from 3.0.0 to 3.1.2

Bumps [eslint-plugin-mdx](https://github.com/mdx-js/eslint-mdx) from 3.0.0 to 3.1.2.
- [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/v3.0.0...eslint-plugin-mdx@3.1.2)

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

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

Author: dependabot[bot]

package.json

@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "eslint": "^8.56.0",
-    "eslint-plugin-mdx": "^3.0.0",
+    "eslint-plugin-mdx": "^3.1.2",
     "eslint-plugin-prettier": "^5.1.0",
     "prettier": "^3.1.1"
   }