Support TF 0.12 with pinned GitHub provider 3.0.0 @Nuru (#64)
what
- Support TF 0.12 with pinned GitHub provider 3.0.0
- Temporarily revert TF 0.13 requirements
why
- Dependent modules were broken because of GitHub provider issues. Fix them before abandoning TF 0.12 support
references
cloudposse/terraform-aws-ecs-web-app#63
