chore: fix backwards compatibility via synth (#2664)
chore: fix backwards compatibility via synth (#2664)


chingor13/google-cloud-php,googleapis/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,jdpedrie/google-cloud-php