Update dependency unbuild to v3

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
     "prettier": "2.7.1",
     "standard-version": "9.5.0",
     "typescript": "5.3.2",
-    "unbuild": "1.2.1",
+    "unbuild": "3.6.1",
     "unocss": "0.57.7",
     "vite": "5.0.2",
     "vitest": "0.34.6"