chore(deps): update test packages to v3.1.2

Author: renovate[bot]

package.json

@@ -63,7 +63,7 @@
     "@nuxt/kit": "3.16.2",
     "@types/estree": "1.0.7",
     "@types/node": "22.14.1",
-    "@vitest/coverage-v8": "3.1.1",
+    "@vitest/coverage-v8": "3.1.2",
     "acorn": "8.14.1",
     "bumpp": "10.1.0",
     "eslint": "9.25.0",
@@ -74,7 +74,7 @@
     "typescript": "5.8.3",
     "unbuild": "3.5.0",
     "vite": "6.3.2",
-    "vitest": "3.1.1"
+    "vitest": "3.1.2"
   },
   "resolutions": {
     "magic-regexp": "link:.",