Bump zentered/vercel-preview-url from 1.3.0 to 1.4.0 (#52)

Bumps [zentered/vercel-preview-url](https://github.com/zentered/vercel-preview-url) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/zentered/vercel-preview-url/releases)
- [Commits](zentered/vercel-preview-url@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: zentered/vercel-preview-url
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/lighthouse-on-vercel-preview-url.yml

@@ -14,7 +14,7 @@ jobs:
       - run: sleep 120
       - name: Capture Vercel preview URL
         id: vercel_preview_url
-        uses: zentered/vercel-preview-url@v1.3.0
+        uses: zentered/vercel-preview-url@v1.4.0
         env:
           VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
         with: