Fix variable name

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/3932814339

Author: nateweller

build/index.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('react', 'react-dom', 'wp-api-fetch', 'wp-components', 'wp-compose', 'wp-data', 'wp-date', 'wp-element', 'wp-i18n', 'wp-polyfill', 'wp-primitives', 'wp-url'), 'version' => '27fc7a228b353e695e63');
+<?php return array('dependencies' => array('react', 'react-dom', 'wp-api-fetch', 'wp-components', 'wp-compose', 'wp-data', 'wp-date', 'wp-element', 'wp-i18n', 'wp-polyfill', 'wp-primitives', 'wp-url'), 'version' => 'e640beb5bef26d89962f');