chore(deps-dev): bump vercel from 50.3.2 to 50.4.0

Bumps [vercel](https://github.com/vercel/vercel/tree/HEAD/packages/cli) from 50.3.2 to 50.4.0.
- [Release notes](https://github.com/vercel/vercel/releases)
- [Changelog](https://github.com/vercel/vercel/blob/main/packages/cli/CHANGELOG.md)
- [Commits](https://github.com/vercel/vercel/commits/[email protected]/packages/cli)

---
updated-dependencies:
- dependency-name: vercel
  dependency-version: 50.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "starlight-links-validator": "^0.19.2",
     "starlight-showcases": "^0.3.1",
     "tsx": "^4.21.0",
-    "vercel": "^50.3.2",
+    "vercel": "^50.4.0",
     "vitest": "^4.0.17"
   }
 }