iThemes Security Pro 8.4.2

-New Feature: Added Grade Report, a tool to identify security weaknesses on the site with options to fix the detected issues.
-Bug Fix: Ensure all users with the `manage_options` capability are available when selecting contacts in the Notification Center.
-Enhancement: Added minimal API for adding additional entries to the Security admin menu.

-Bug Fix: Warning when uninstalling a plugin while File Change module is active.
-Minor: Shrink storage size of file scans.
-Minor: Make recovering file scan log smaller.

-Bug Fix: Prevent WP admin dashboard JavaScript from crashing when the File Change module is not loaded.
-Minor: Track raw memory used by the file change scanner as well.
-Minor: Page Load Scheduler: Unschedule single events before running them. This mirrors the behavior of the WP Cron scheduler.