chore(deps): update dependency tailwindcss to v4

Author: renovate[bot]

package.json

@@ -35,7 +35,7 @@
 		"prettier-plugin-svelte": "^3.3.3",
 		"svelte": "^5.19.10",
 		"svelte-check": "^4.1.4",
-		"tailwindcss": "^3.4.17",
+		"tailwindcss": "^4.0.0",
 		"tslib": "^2.8.1",
 		"typescript": "^5.7.3",
 		"vite": "^6.1.0",