docs: A comment for field `execution_options` in message `.google.spanner.executor.v1.StartTransactionAction` is changed
docs: A comment for message `TransactionExecutionOptions` is changed
docs: A comment for message `ListCloudInstancesAction` is changed
PiperOrigin-RevId: 871366927
An update to Go gRPC Protobuf generation will change service registration function signatures to use an interface instead of a concrete type in generated .pb.go service files. This change should affect very few client library users. See release notes advisories in https://github.com/googleapis/google-cloud-go/pull/11025.
PiperOrigin-RevId: 817343382
