chore(deps): update tailwind to v4

package.json

@@ -15,14 +15,13 @@
     "@biomejs/biome": "1.9.4",
     "@commitlint/cli": "^19.6.1",
     "@commitlint/config-conventional": "^19.6.0",
+    "@tailwindcss/vite": "^4.0.0",
     "@types/node": "^22.10.9",
-    "autoprefixer": "^10.4.20",
     "better-sqlite3": "^11.8.1",
     "husky": "^9.1.7",
     "kysely-codegen": "^0.17.0",
     "lint-staged": "^15.4.2",
-    "postcss": "^8.5.1",
-    "tailwindcss": "^3.4.17",
+    "tailwindcss": "^4.0.0",
     "typescript": "^5.7.3",
     "vite": "^6.0.11",
     "vite-plugin-solid": "^2.11.0",