Bump bson from 1.1.3 to 1.1.6
Bump bson from 1.1.3 to 1.1.6

Bumps [bson](https://github.com/mongodb/js-bson) from 1.1.3 to 1.1.6.
- [Release notes](https://github.com/mongodb/js-bson/releases)
- [Changelog](https://github.com/mongodb/js-bson/blob/v1.1.6/HISTORY.md)
- [Commits](https://github.com/mongodb/js-bson/compare/v1.1.3...v1.1.6)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
prashanth0926/EFlow,prashanth0926/EFlow