Bump astro in /tutorials/video-javascript-multiparty

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 5.18.0 to 5.18.1.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/astro@5.18.1/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@5.18.1/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 5.18.1
  dependency-type: direct:production
...

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Author: dependabot[bot]

tutorials/video-javascript-multiparty/package-lock.json

@@ -16,7 +16,7 @@
     "@astrojs/starlight": "^0.37.6",
     "@astrojs/starlight-markdoc": "^0.5.1",
     "adm-zip": "^0.5.16",
-    "astro": "^5.18.0",
+    "astro": "^5.18.1",
     "astro-relative-links": "^0.4.2",
     "sharp": "^0.33.0"
   },