Bumping version to 4.9.80.rc.007. Previous Commit message: "correct t…

…he description of EEH_Line_Item::add_percentage_based_item() (#994)

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## Problem this Pull Request solves
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Just updates a PHP doc to more accurately reflect the follow-up work needed after using `EEH_Line_Item::add_percentage_line_item()`. No code behaviour changed. (This seems to be what caused eventespresso/ee-code-snippet-library#12)

## How has this been tested
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* [ ] Opened up EE and there were no syntax errors

## Checklist

* [ ] I have read the documentation relating to systems affected by this pull request, see https://github.com/eventespresso/event-espresso-core/tree/master/docs
* [ ] User input is adequately validated and sanitized
* [ ] all publicly displayed strings are internationalized (usually using `esc_html__()`, see https://codex.wordpress.org/I18n_for_WordPress_Developers)
* [ ] My code is tested.
* [ ] My code follows the Event Espresso code style.
* [ ] My code has proper inline documentation.
* [ ] My code accounts for when the site is in Maintenance Mode (MM2 especially disallows usage of models)

"

espresso.php

@@ -3,7 +3,7 @@
   Plugin Name:Event Espresso
   Plugin URI: http://eventespresso.com/pricing/?ee_ver=ee4&utm_source=ee4_plugin_admin&utm_medium=link&utm_campaign=wordpress_plugins_page&utm_content=support_link
   Description: Manage events, sell tickets, and receive payments from your WordPress website. Reduce event administration time, cut-out ticketing fees, and own your customer data. | <a href="https://eventespresso.com/add-ons/?utm_source=plugin_activation_screen&utm_medium=link&utm_campaign=plugin_description">Extensions</a> | <a href="https://eventespresso.com/pricing/?utm_source=plugin_activation_screen&utm_medium=link&utm_campaign=plugin_description">Sales</a> | <a href="admin.php?page=espresso_support">Support</a>
-  Version: 4.9.80.rc.006
+  Version: 4.9.80.rc.007
   Author: Event Espresso
   Author URI: http://eventespresso.com/?ee_ver=ee4&utm_source=ee4_plugin_admin&utm_medium=link&utm_campaign=wordpress_plugins_page&utm_content=support_link
   License: GPLv2
@@ -102,7 +102,7 @@ function espresso_minimum_php_version_error()
          */
         function espresso_version()
         {
-            return apply_filters('FHEE__espresso__espresso_version', '4.9.80.rc.006');
+            return apply_filters('FHEE__espresso__espresso_version', '4.9.80.rc.007');
         }
 
         /**