Bump @tailwindcss/vite from 4.0.12 to 4.1.8 in /web

Bumps [@tailwindcss/vite](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-vite) from 4.0.12 to 4.1.8.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.8/packages/@tailwindcss-vite)

---
updated-dependencies:
- dependency-name: "@tailwindcss/vite"
  dependency-version: 4.1.8
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

web/package-lock.json

@@ -34,7 +34,7 @@
   "devDependencies": {
     "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@tailwindcss/postcss": "^4.1.8",
-    "@tailwindcss/vite": "^4.0.12",
+    "@tailwindcss/vite": "^4.1.8",
     "@vitejs/plugin-react": "^4.3.4",
     "postcss": "^8.5.3",
     "react-router-dom": "^7.3.0",