message: Update libxmljs2 and sequelize
  (resolves and resolves
diff: "jsonwebtoken": "^8.5.1",
  "jssha": "^2.3.1",
  "jwt-decode": "^2.2.0",
  - "libxmljs2": "^0.21.3",
  + "libxmljs2": "^0.21.4",
  "marsdb": "^0.6.11",
  "morgan": "^1.9.1",
  "multer": "^1.4.1",
  "request": "^2.88.0",
  "sanitize-html": "1.4.2",
  "semver": "^6.1.0",
  - "sequelize": "^5.8.6",
  + "sequelize": "^5.8.9",
  "sequelize-noupdate-attributes": "^1.0.0",
  "serve-index": "^1.9.1",
  "socket.io": "^2.2.0",
  