autoupdate_plugins.php

<?php
/*
 * Plugin Auto Updates Whitelist
 * Allows Forced Updates for listed Plugin Slugs
 */
function pb_auto_update_whitelist_plugins( $update, $item ) {

    // Array of plugin slugs to whitelist
    $plugins = array (
        'jetpack',
        'wordpress-seo',
        'plugin-slug',
    );

    if ( in_array( $item->slug, $plugins ) ) {

        // Allow listed to be force updated
        return $update;

    } else {

        // Block all others
        return false;

    }

}
add_filter( 'auto_update_plugin', 'pb_auto_update_whitelist_plugins', 10, 2 );