Easy Digital Downloads - Authorize.net Gateway 2.0.3

Fix: Errors not appearing on checkout when card payment fails.
Refactor: Update plugin header to use URI instead of URL.
Tweak: Remove customer's email from the Authorize.net invoice description, as it's already available elsewhere.
Dev: Refactor how licensing is initialized.

Improvement: Certain checkout errors have been adjusted to better convey to the customer if their charge may have gone through.
Fix: The Authorize.net SDK has been updated to version 2.0.2, which fixes a deprecation notice in PHP 7.4, and a fatal error in PHP 8.
Fix: Invoice number and item description weren't being sent to Authorize.net.
Fix: Excessive debug logging has been removed.
Fix: Automatic updates not working.
Recurring - Improvement: The initial card authorization is now voided once we receive confirmation of the first subscription payment.
Recurring - Fix: If a subscription is "suspended" in Authorize.net, its status is now updated in EDD.
Recurring - Fix: Customer address information wasn't being saved in Authorize.net.
Recurring - Fix: The plugin was using the incorrect text domain in a few places.

Fix: First payment in a recurring subscription shows as $0 in purchase receipt.
Fix: Subscriptions not being set to active in EDD.
Tweak: Updated plugin author information to Sandhills Development, LLC.
i18n: Add .pot file.
Dev: EDD 3.0 compatibility.