feat(spanner): update the api

#### spanner:v1

The following keys were added:
- schemas.BeginTransactionRequest.properties.requestOptions (Total Keys: 1)
- schemas.CommitRequest.properties.requestOptions (Total Keys: 1)
- schemas.ExecuteBatchDmlRequest.properties.requestOptions (Total Keys: 1)
- schemas.ExecuteSqlRequest.properties.requestOptions (Total Keys: 1)
- schemas.QueryOptions.properties.optimizerStatisticsPackage (Total Keys: 1)
- schemas.ReadRequest.properties.requestOptions (Total Keys: 1)
- schemas.RequestOptions (Total Keys: 3)

Author: yoshi-automation

docs/dyn/spanner_v1.projects.instances.databases.html

@@ -389,7 +389,7 @@ <h3>Method Details</h3>
 { # The request for RestoreDatabase.
   &quot;backup&quot;: &quot;A String&quot;, # Name of the backup from which to restore. Values are of the form `projects//instances//backups/`.
   &quot;databaseId&quot;: &quot;A String&quot;, # Required. The id of the database to create and restore to. This database must not already exist. The `database_id` appended to `parent` forms the full database name of the form `projects//instances//databases/`.
-  &quot;encryptionConfig&quot;: { # Encryption configuration for the restored database. # Optional. An encryption configuration describing the encryption type and key resources in Cloud KMS used to encrypt/decrypt the database to restore to. If this field is not specified, the restored database will use the same encryption configuration as the backup by default, namely encryption_type = `USE_CONFIG_DEFAULT_OR_DATABASE_ENCRYPTION`.
+  &quot;encryptionConfig&quot;: { # Encryption configuration for the restored database. # Optional. An encryption configuration describing the encryption type and key resources in Cloud KMS used to encrypt/decrypt the database to restore to. If this field is not specified, the restored database will use the same encryption configuration as the backup by default, namely encryption_type = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
     &quot;encryptionType&quot;: &quot;A String&quot;, # Required. The encryption type of the restored database.
     &quot;kmsKeyName&quot;: &quot;A String&quot;, # Optional. The Cloud KMS key that will be used to encrypt/decrypt the restored database. This field should be set only when encryption_type is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form `projects//locations//keyRings//cryptoKeys/`.
   },