Purge LiteSpeed cache after updates.

purge-ls-after-updates.php

/**
* Purge LiteSpeed Cache after updates. 
*
* This snippet will check if LS plugin is activated & then Purge all Cache 
* after any Core, Theme or Plugin Installation, Update or rollback.
*
* @snippetType: Execute on Child Sites
*/
function my_upgrade_function( $upgrader_object, $options ) {
	// Purge all LS Cache. 
	if ( defined( 'LSCWP_V' )) {
		do_action( 'litespeed_purge_all' );
  }
}
add_action( 'upgrader_process_complete', 'my_upgrade_function',10, 2);