fix: Add name for the role that lambda uses to trigger CW exports
This MR fixes https://gitlab.com/gitlab-com/gl-infra/gitlab-dedicated/team/-/issues/2116 (missing role name for lambda IAM role)
This MR fixes https://gitlab.com/gitlab-com/gl-infra/gitlab-dedicated/team/-/issues/2116 (missing role name for lambda IAM role)