chore(deps): update vitest monorepo to v2

Author: renovate[bot]

package.json

@@ -50,7 +50,7 @@
     "@types/node": "^20.17.9",
     "@typescript-eslint/eslint-plugin": "^7.18.0",
     "@typescript-eslint/parser": "^7.18.0",
-    "@vitest/coverage-v8": "^1.6.0",
+    "@vitest/coverage-v8": "^2.1.8",
     "esbuild-plugin-polyfill-node": "^0.3.0",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",
@@ -64,7 +64,7 @@
     "typedoc": "^0.27.2",
     "typedoc-json-parser": "^10.2.0",
     "typescript": "^5.7.2",
-    "vitest": "1.6.0"
+    "vitest": "2.1.8"
   },
   "repository": {
     "type": "git",