chore(deps): update test packages to v4.0.15 (#682)

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

Author: renovate[bot]

package.json

@@ -57,12 +57,12 @@
     "@nuxt/schema": "4.2.1",
     "@nuxt/test-utils": "3.21.0",
     "@types/serve-static": "2.2.0",
-    "@vitest/coverage-v8": "4.0.14",
+    "@vitest/coverage-v8": "4.0.15",
     "bumpp": "10.3.2",
     "eslint": "9.39.1",
     "nuxt": "4.2.1",
     "playwright": "1.57.0",
-    "vitest": "4.0.14"
+    "vitest": "4.0.15"
   },
   "resolutions": {
     "@nuxt/schema": "4.2.1",