message: Remove Node.js 15 support
diff: "homepage": "https://logux.io/",
  "repository": "logux/server",
  "engines": {
  - "node": "^12.0.0 || >=14.0.0"
  + "node": "^12.0.0 || ^14.0.0 || >=16.0.0"
  },
  "type": "module",
  "types": "./index.d.ts",
  