[BUGFIX] Set correct cron instance for catalog_product_frontend_actions_flush

previously:
Magento\Catalog\Cron\DeleteOutdatedPriceValues

new:
Magento\Catalog\Cron\FrontendActionsFlush

Author: lewisvoncken

app/code/Magento/Catalog/etc/crontab.xml

@@ -16,7 +16,7 @@
         <job name="catalog_product_outdated_price_values_cleanup" instance="Magento\Catalog\Cron\DeleteOutdatedPriceValues" method="execute">
             <schedule>* * * * *</schedule>
         </job>
-        <job name="catalog_product_frontend_actions_flush" instance="Magento\Catalog\Cron\DeleteOutdatedPriceValues" method="execute">
+        <job name="catalog_product_frontend_actions_flush" instance="Magento\Catalog\Cron\FrontendActionsFlush" method="execute">
             <schedule>* * * * *</schedule>
         </job>
         <job name="catalog_product_attribute_value_synchronize" instance="Magento\Catalog\Cron\SynchronizeWebsiteAttributes" method="execute">