chore(deps): update dependency unbuild to v3

Author: renovate[bot]

bun.lockb

@@ -78,7 +78,7 @@
     "lint-staged": "^15.0.2",
     "supertest": "^6.3.3",
     "typescript": "^5.3.0",
-    "unbuild": "^2.0.0",
+    "unbuild": "^3.0.0",
     "vitest": "^1.3.0"
   },
   "dependencies": {