Bump github.com/awslabs/goformation from `6b6bb4f` to `4c9158b`
Bump github.com/awslabs/goformation from `6b6bb4f` to `4c9158b`

Bumps [github.com/awslabs/goformation](https://github.com/awslabs/goformation) from `6b6bb4f` to `4c9158b`.
- [Release notes](https://github.com/awslabs/goformation/releases)
- [Commits](https://github.com/awslabs/goformation/compare/6b6bb4f2ae8f85e805aa695b8f18db881234effd...4c9158b21dce759adde6c6cd49628764834ea390)
Clever/wag,Clever/wag