chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

package.json

@@ -46,7 +46,7 @@
     "prettier": "^3.2.5",
     "secretlint": "^9.0.0",
     "serve": "^14.2.3",
-    "tailwindcss": "^3.4.4",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.5.3",
     "typescript-eslint": "^8.18.0"
   },