chore(deps): update dependency @vitest/coverage-v8 to v4

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
         "@types/node": "^24.9.2",
         "@typescript-eslint/eslint-plugin": "^8.46.2",
         "@typescript-eslint/parser": "^8.46.2",
-        "@vitest/coverage-v8": "^3.2.4",
+        "@vitest/coverage-v8": "^4.0.0",
         "eslint": "^9.39.0",
         "eslint-config-prettier": "^10.1.8",
         "husky": "^9.1.7",