CodeBuild project uses an allowed GitHub organization

# Terraform: set CodeBuild source to a repo under an allowed GitHub org
resource "aws_codebuild_project" "<example_resource_name>" {
  name         = "<example_resource_name>"
  service_role = "<example_resource_arn>"

  artifacts { type = "NO_ARTIFACTS" }

  environment {
    compute_type = "BUILD_GENERAL1_SMALL"
    image        = "aws/codebuild/standard:7.0"
    type         = "LINUX_CONTAINER"
  }

  source {
    type     = "GITHUB"
    location = "https://github.com/<ALLOWED_GITHUB_ORG>/<REPO>" # FIX: use an allowed GitHub org
  }
}

# CloudFormation: point CodeBuild project to a repo in an allowed GitHub org
Resources:
  <example_resource_name>:
    Type: AWS::CodeBuild::Project
    Properties:
      ServiceRole: <example_resource_arn>
      Artifacts:
        Type: NO_ARTIFACTS
      Environment:
        Type: LINUX_CONTAINER
        ComputeType: BUILD_GENERAL1_SMALL
        Image: aws/codebuild/standard:7.0
      Source:
        Type: GITHUB
        Location: https://github.com/<ALLOWED_GITHUB_ORG>/<REPO>  # FIX: repo org must be in the allowed list