Bump @sveltejs/vite-plugin-svelte from 1.3.1 to 1.4.0 in /docs/vercel (#973)

Bumps [@sveltejs/vite-plugin-svelte](https://github.com/sveltejs/vite-plugin-svelte/tree/HEAD/packages/vite-plugin-svelte) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/sveltejs/vite-plugin-svelte/releases)
- [Changelog](https://github.com/sveltejs/vite-plugin-svelte/blob/main/packages/vite-plugin-svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/vite-plugin-svelte/commits/@sveltejs/vite-plugin-svelte@1.4.0/packages/vite-plugin-svelte)

---
updated-dependencies:
- dependency-name: "@sveltejs/vite-plugin-svelte"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/vercel/package-lock.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-yaml": "^4.0.1",
-    "@sveltejs/vite-plugin-svelte": "^1.3.1",
+    "@sveltejs/vite-plugin-svelte": "^1.4.0",
     "@tsconfig/svelte": "^3.0.0",
     "@typescript-eslint/eslint-plugin": "^5.45.0",
     "@typescript-eslint/parser": "^5.39.0",