Bump sequelize from 5.15.0 to 5.15.1
Bump sequelize from 5.15.0 to 5.15.1

Bumps [sequelize](https://github.com/sequelize/sequelize) from 5.15.0 to 5.15.1.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](https://github.com/sequelize/sequelize/compare/v5.15.0...v5.15.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
brendonboshell/supercrawler