chore(deps): update test packages to v3.1.1 (#719)

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

Author: renovate[bot]

package.json

@@ -71,7 +71,7 @@
     "@nuxt/schema": "3.16.1",
     "@nuxt/test-utils": "3.17.2",
     "@types/node": "22.13.14",
-    "@vitest/coverage-v8": "3.0.9",
+    "@vitest/coverage-v8": "3.1.1",
     "@vue/test-utils": "2.4.6",
     "bumpp": "10.1.0",
     "eslint": "9.23.0",
@@ -85,7 +85,7 @@
     "typescript": "5.8.2",
     "unbuild": "3.5.0",
     "unhead": "2.0.2",
-    "vitest": "3.0.9",
+    "vitest": "3.1.1",
     "vue": "3.5.13",
     "vue-tsc": "2.2.8"
   },