chore(deps-dev): bump @astrojs/mdx from 0.19.1 to 0.19.3 (#5132)

Bumps [@astrojs/mdx](https://github.com/withastro/astro/tree/HEAD/packages/integrations/mdx) from 0.19.1 to 0.19.3.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/mdx/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/mdx@0.19.3/packages/integrations/mdx)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -57,7 +57,7 @@
     "url": "https://github.com/ColorlibHQ/AdminLTE/issues"
   },
   "devDependencies": {
-    "@astrojs/mdx": "^0.19.1",
+    "@astrojs/mdx": "^0.19.3",
     "@rollup/plugin-typescript": "^11.1.1",
     "@typescript-eslint/eslint-plugin": "^5.59.7",
     "@typescript-eslint/parser": "^5.59.6",