chore(deps): update vitest monorepo to v2.1.8

Author: renovate[bot]

package.json

@@ -40,10 +40,10 @@
     "@total-typescript/ts-reset": "0.6.1",
     "@types/node": "22.10.1",
     "@vercel/ncc": "0.38.3",
-    "@vitest/coverage-v8": "2.1.6",
+    "@vitest/coverage-v8": "2.1.8",
     "prettier": "3.3.3",
     "ts-node": "10.9.2",
     "typescript": "5.6.3",
-    "vitest": "2.1.6"
+    "vitest": "2.1.8"
   }
 }