feat(spanner): [Spanner] include cache updates into the ResultSet response (#8901)

* feat(spanner): include cache updates into the ResultSet response
docs: A comment for field `transaction_tag` in message `.google.spanner.v1.RequestOptions` is changed
docs: A comment for field `params` in message `.google.spanner.v1.PartitionQueryRequest` is changed
docs: A comment for field `param_types` in message `.google.spanner.v1.PartitionQueryRequest` is changed
docs: A comment for field `commit_timestamp` in message `.google.spanner.v1.BatchWriteResponse` is changed

PiperOrigin-RevId: 865546011

Source-Link: googleapis/googleapis@8d30990

Source-Link: googleapis/googleapis-gen@3dd1533
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]