chore(deps): update dependency @vitest/coverage-v8 to v3

Author: renovate[bot]

frontend/package.json

@@ -56,7 +56,7 @@
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^7.7.0",
     "@typescript-eslint/parser": "^7.7.0",
-    "@vitest/coverage-v8": "^1.6.0",
+    "@vitest/coverage-v8": "^3.0.0",
     "eslint": "^8.57.0",
     "eslint-config-love": "^48.0.0",
     "eslint-plugin-import": "^2.29.1",