chore(deps): update dependency @mdx-js/loader to v3 (#229)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pnpm-lock.yaml

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "@babel/preset-env": "7.26.0",
-    "@mdx-js/loader": "2.3.0",
+    "@mdx-js/loader": "3.1.0",
     "@rspack/cli": "1.2.0-beta.0",
     "@rspack/core": "1.2.0-beta.0",
     "@svgr/webpack": "6.5.1",