fix: set default values for on_wait_timeout and wait_timeout in executeStatement

Author: bitofsky

src/api/executeStatement.ts

@@ -45,8 +45,8 @@ export async function executeStatement(
       byte_limit: options.byte_limit,
       disposition: options.disposition,
       format: options.format,
-      on_wait_timeout: options.on_wait_timeout,
-      wait_timeout: options.wait_timeout,
+      on_wait_timeout: options.on_wait_timeout ?? 'CONTINUE',
+      wait_timeout: options.wait_timeout ?? '50s',
       row_limit: options.row_limit,
       catalog: options.catalog,
       schema: options.schema,