fix(deps): update dependency tailwindcss to v4

Author: homarr-renovate[bot]

package.json

@@ -41,7 +41,7 @@
     "react-dom": "^19.2.4",
     "swagger-ui-react": "^5.32.0",
     "swiper": "^12.1.2",
-    "tailwindcss": "^3.4.19"
+    "tailwindcss": "^4.2.1"
   },
   "devDependencies": {
     "@argos-ci/cli": "^3.2.1",