chore(deps): update vitest monorepo to v2

Author: renovate[bot]

package.json

@@ -118,7 +118,7 @@
   },
   "devDependencies": {
     "@types/node": "^20.11.30",
-    "@vitest/coverage-v8": "^1.4.0",
+    "@vitest/coverage-v8": "^2.1.8",
     "abort-controller": "^3.0.0",
     "agent-base": "^7.1.0",
     "changelogen": "^0.5.5",
@@ -132,7 +132,7 @@
     "typescript": "^5.4.3",
     "unbuild": "^2.0.0",
     "undici": "^6.10.2",
-    "vitest": "^1.4.0"
+    "vitest": "^2.1.8"
   },
   "packageManager": "pnpm@8.15.5"
 }