Bump sequelize from 3.35.1 to 6.3.5
Bump sequelize from 3.35.1 to 6.3.5

Bumps [sequelize](https://github.com/sequelize/sequelize) from 3.35.1 to 6.3.5.
- [Release notes](https://github.com/sequelize/sequelize/releases)
- [Commits](https://github.com/sequelize/sequelize/compare/v3.35.1...v6.3.5)

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