chore(deps): update vitest monorepo to v3

Author: renovate[bot]

package.json

@@ -116,7 +116,7 @@
     "@clack/core": "^0.4.1",
     "@clack/prompts": "^0.9.1",
     "@types/node": "^22.10.7",
-    "@vitest/coverage-v8": "^2.1.8",
+    "@vitest/coverage-v8": "^3.0.6",
     "changelogen": "^0.5.7",
     "defu": "^6.1.4",
     "eslint": "^9.18.0",
@@ -131,7 +131,7 @@
     "string-width": "^7.2.0",
     "typescript": "^5.7.3",
     "unbuild": "^3.3.1",
-    "vitest": "^2.1.8"
+    "vitest": "^3.0.6"
   },
   "engines": {
     "node": "^14.18.0 || >=16.10.0"