build(deps-dev): Bump @types/mdx from 2.0.13 to 2.0.14

Bumps [@types/mdx](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/mdx) from 2.0.13 to 2.0.14.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/mdx)

---
updated-dependencies:
- dependency-name: "@types/mdx"
  dependency-version: 2.0.14
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

apps/portal/package.json

@@ -49,7 +49,7 @@
     "@next/eslint-plugin-next": "15.3.8",
     "@types/flexsearch": "^0.7.42",
     "@types/he": "^1.2.3",
-    "@types/mdx": "^2.0.13",
+    "@types/mdx": "^2.0.14",
     "@types/node": "22.14.1",
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",