chore(deps): bump @mdx-js/loader from 2.3.0 to 3.1.0

Bumps [@mdx-js/loader](https://github.com/mdx-js/mdx/tree/HEAD/packages/loader) from 2.3.0 to 3.1.0.
- [Release notes](https://github.com/mdx-js/mdx/releases)
- [Changelog](https://github.com/mdx-js/mdx/blob/main/changelog.md)
- [Commits](https://github.com/mdx-js/mdx/commits/3.1.0/packages/loader)

---
updated-dependencies:
- dependency-name: "@mdx-js/loader"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/portal/package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@dirtycajunrice/klee": "^1.0.1",
-    "@mdx-js/loader": "^2.3.0",
+    "@mdx-js/loader": "^3.1.0",
     "@mdx-js/react": "^2.3.0",
     "@next/mdx": "^13.5.6",
     "@radix-ui/react-dialog": "1.1.2",