fix(deps): update dependency tailwindcss to v4

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "react-dom": "^19.0.0",
     "react-qr-code": "^2.0.15",
     "streamsaver": "^2.0.6",
-    "tailwindcss": "^3.4.10",
+    "tailwindcss": "^4.0.0",
     "web-streams-polyfill": "^4.0.0",
     "webrtcsupport": "^2.2.0",
     "zod": "^3.23.8"