GravityView - Gravity Forms Calendar 2.8.3

* Fixed: Calendar feeds not working due to the library not being included in the downloaded file

**Note: This version requires WordPress 5.3 and PHP 7.4 or newer.**

* Added: Calendar subscription links! People can now subscribe to your calendar feed in Google Calendar and Apple Calendar
- Visitors can also download `.ics` files that can be imported into calendars
- New "GravityView Calendar Link" and "GravityView Calendar Buttons" blocks to make it easy to share links to your calendars ([learn how to use the new blocks](https://docs.gravityview.co/article/830-calendar-blocks))
- New `[gv_calendar_link]`, `[gv_calendar_export_button]`, and `[gv_calendar_copy_button]` shortcodes ([learn about the new shortcodes](https://docs.gravityview.co/article/831-calendar-shortcodes))
* Fixed: Styles not outputting when a calendar is embedded on block themes (in WordPress 5.9 and higher)
* Fixed: Translations not loading properly
* Fixed: Merge tags were not being processed inside Conditional Logic
* Fixed: Calendar height setting now allows [all CSS units](https://fullcalendar.io/docs/height)
* Upgraded: FullCalendar from 5.6 to 5.10.1
- Improved accessibility
- Many fixes to tooltip behavior
- [See the FullCalendar changelog](https://github.com/fullcalendar/fullcalendar/tags)
* Updated: Polish translation

The next version of Calendar adds great functionality that requires PHP 7.4. **Please contact your host to update your PHP version!**




* Updated: Now using [Version 5.10.1 of FullCalendar](https://github.com/fullcalendar/fullcalendar/releases/tag/v5.10.0). There are HTML changes as well as accessibility improvements.
* Improved: Calendar week start day now defaults to the value of the "Week Starts On" setting configured in WordPress. [Read how to modify the week start date](https://docs.gravityview.co/article/814-calendar-week-start).
* Improved: Added "Entry Approval Status" option under Conditional Logic
* Improved: It is now possible to filter only those entries that have been updated since creation
* Fixed: Event description tooltip would be displayed underneath an event when using an Agenda layout with overlapping events
* Fixed: JavaScript error when a Conditional Logic filter is configured for a multi-input form field that no longer exists
* Fixed: MySQL error on certain hosts when "Date Updated", "Date Created" or "Payment Date" entry meta are filtered using the "is empty" condition
* Fixed: Removed a line of code that only works in PHP 7.0