text: create table if not exists tenants_billing (
    tenant_id              int not null,
    trial_ends_at          timestamptz not null,
    subscription_ends_at   timestamptz null,
    stripe_customer_id     varchar(255) null,
    stripe_subscription_id varchar(255) null,
    stripe_plan_id         varchar(255) null,
    primary key (tenant_id),
    foreign key (tenant_id) references tenants(id)
  );