Bump @astrojs/vercel from 8.2.11 to 9.0.2 (#3317)

Bumps [@astrojs/vercel](https://github.com/withastro/astro/tree/HEAD/packages/integrations/vercel) from 8.2.11 to 9.0.2.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/vercel/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/[email protected]/packages/integrations/vercel)

---
updated-dependencies:
- dependency-name: "@astrojs/vercel"
  dependency-version: 9.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

landing/package.json

@@ -16,7 +16,7 @@
     "@astrojs/rss": "^4.0.12",
     "@astrojs/sitemap": "^3.4.1",
     "@astrojs/tailwind": "^6.0.2",
-    "@astrojs/vercel": "^8.2.3",
+    "@astrojs/vercel": "^9.0.2",
     "@polar-sh/sdk": "^0.20.2",
     "astro": "^5.15.9",
     "shepherd.js": "workspace:*",