MC-35100: Track pages where Page Builder has been used

- Add module-page-builder-admin-analytics to root composer.json

Author: loginesta

dev/tests/static/testsuite/Magento/Test/Integrity/_files/blacklist/composer_root_modules_pagebuilder.txt

@@ -1,4 +1,5 @@
 magento/module-page-builder
 magento/module-page-builder-analytics
+magento/module-page-builder-admin-analytics
 magento/module-catalog-page-builder-analytics
-magento/module-cms-page-builder-analytics
+magento/module-cms-page-builder-analytics