message: [tests] Fix missing await
  Follow up to
diff: @@ -79,7 +79,7 @@ async function main() {
  if (!isDev) {
  // Read the secrets from GitHub Actions and generate a file.
  // During local development, these secrets will be empty.
  - createConstants();
  + await createConstants();
  // Create a tarball from all the `@now` scoped builders which will be bundled
  // with Now CLI
  