AutomatorWP - Tutor LMS 1.1.2

* **New Features**
* New trigger: User completes a course of a category.
* New trigger: User completes a lesson of a category.
* New trigger: User attempts, passes or fails a quiz of a category.
* New trigger: User completes a quiz of a category with a grade percentage greater than, less than or equal to a specific percentage.
* New trigger: User is enrolled in a course of a category.

* New filter: User is enrolled in course.
* New filter: User is not enrolled in course.

* Fixed a bug on the "Enroll user to course" action for paid courses.