build(deps-dev): bump @sveltejs/vite-plugin-svelte in /frontend

Bumps [@sveltejs/vite-plugin-svelte](https://github.com/sveltejs/vite-plugin-svelte/tree/HEAD/packages/vite-plugin-svelte) from 3.1.2 to 4.0.0.
- [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@4.0.0/packages/vite-plugin-svelte)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

frontend/package-lock.json

@@ -17,7 +17,7 @@
 		"@skeletonlabs/tw-plugin": "^0.4.0",
 		"@sveltejs/adapter-static": "^3.0.6",
 		"@sveltejs/kit": "^2.7.3",
-		"@sveltejs/vite-plugin-svelte": "^3.1.2",
+		"@sveltejs/vite-plugin-svelte": "^4.0.0",
 		"@tailwindcss/forms": "^0.5.9",
 		"@types/eslint": "^9.6.1",
 		"@vincjo/datatables": "^1.14.10",