chore(deps): update vitest monorepo to v2.1.9 (#358)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -31,14 +31,14 @@
   "devDependencies": {
     "@eslint/js": "9.19.0",
     "@vercel/ncc": "0.38.3",
-    "@vitest/coverage-v8": "2.1.8",
+    "@vitest/coverage-v8": "2.1.9",
     "eslint": "9.19.0",
     "globals": "15.14.0",
     "prettier": "3.4.2",
     "prettier-plugin-organize-imports": "4.1.0",
     "typescript": "5.7.3",
     "typescript-eslint": "8.22.0",
-    "vitest": "2.1.8"
+    "vitest": "2.1.9"
   },
   "private": true,
   "volta": {