Bump mongodb from 3.1.10 to 3.1.13 in /server (#57)
Bump mongodb from 3.1.10 to 3.1.13 in /server (#57)

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 3.1.10 to 3.1.13.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/master/CHANGES_3.0.0.md)
- [Commits](https://github.com/mongodb/node-mongodb-native/compare/v3.1.10...v3.1.13)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
mikhail-angelov/bconf,mikhail-angelov/bconf,mikhail-angelov/bconf,mikhail-angelov/bconf