Bump sequelize from 2.1.3 to 5.21.2 in /Node
Bump sequelize from 2.1.3 to 5.21.2 in /Node

Bumps [sequelize](https://github.com/sequelize/sequelize) from 2.1.3 to 5.21.2.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](https://github.com/sequelize/sequelize/compare/v2.1.3...v5.21.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Unity-Brazil/Unity-Node-Persist,Unity-Brazil/Unity-Node-Persist,Unity-Brazil/Unity-Node-Persist