fix: [Spanner] exclude partial veneer SpannerClient from owlbot (#4994)
fix: [Spanner] exclude partial veneer SpannerClient from owlbot (#4994)


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