Gravity Forms Trello Addon 2.1.0

- Added Gravity Forms license key to the oAuth process.
- Added support for async (background) feed processing to improve form submission performance.
- Fixed an issue that causes a PHP deprecation notice to display on the Settings page when using PHP 8.1

- Added Gravity Forms license key to oAuth process.
- Added support for async (background) feed processing to improve form submission performance.

- Updated authentication method for enhanced security. Important: Manual re-authentication in the add-on suggested.
- Fixed an issue where the Add-on icon is missing on the Form Settings page for Gravity Forms 2.5.
- Deprecated old authentication method. Authentication will continue to work until removed.