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

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
     "@types/node": "^22.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
-    "@vitest/coverage-v8": "^3.0.0",
+    "@vitest/coverage-v8": "^4.0.0",
     "bumpp": "^9.1.0",
     "eslint": "^9.0.0",
     "eslint-config-prettier": "^10.0.0",