Bump constantinople from 3.1.0 to 3.1.2
Bump constantinople from 3.1.0 to 3.1.2

Bumps [constantinople](https://github.com/ForbesLindesay/constantinople) from 3.1.0 to 3.1.2.
- [Release notes](https://github.com/ForbesLindesay/constantinople/releases)
- [Commits](https://github.com/ForbesLindesay/constantinople/compare/3.1.0...3.1.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
BennetV/hackathon-starter-master,BennetV/hackathon-starter-master