chore(deps): bump @astrojs/vercel from 6.1.3 to 7.3.1 (#49)

Bumps [@astrojs/vercel](https://github.com/withastro/astro/tree/HEAD/packages/integrations/vercel) from 6.1.3 to 7.3.1.
- [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-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>

package.json

@@ -30,7 +30,7 @@
   "dependencies": {
     "@astrojs/check": "^0.4.1",
     "@astrojs/sitemap": "^3.1.1",
-    "@astrojs/vercel": "^6.1.3",
+    "@astrojs/vercel": "^7.3.1",
     "astro": "^4.1.2",
     "nodemailer": "^6.9.9",
     "remark-parse": "^11.0.0",