fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BRACEEXPANSION-9789073

Author: snyk-bot

package.json

@@ -41,6 +41,6 @@
     "prompts": "^2.4.2"
   },
   "dependencies": {
-    "unbuild": "^1.2.1"
+    "unbuild": "^3.0.0"
   }
 }