message: [tests] Fix test for `functions` config
  This message was recently updated in the API response
diff: @@ -2622,15 +2622,10 @@ test('next unsupported functions config shows warning link', async t => {
  const fixturePath = fixture('zero-config-next-js-functions-warning');
  const output = await execute([fixturePath, '--force', '--public', '--yes']);
  - console.log('isCanary', isCanary);
  - console.log(output.stderr);
  - console.log(output.stdout);
  - console.log(output.exitCode);
  -
  t.is(output.exitCode, 0, formatOutput(output));
  t.regex(
  output.stderr,
  - /Ignoring function property `runtime`\. When using Next\.js, only `memory` and `maxDuration` can be used\./gm,
  + /Ignoring function property `runtime`\. When using Next\.js, only `memory`, `maxDuration`, and `cron` can be used\./gm,
  formatOutput(output)
  );
  t.regex(
  