chore: prepare release 2.2.0

[Matiasnickolas]

Prepare release 2.2.0

This release includes the following changes:

Fixed

• Correction of the return of an Oneclick registration when rejected by the user.
• Correction of the return of a Webpay Plus transaction when rejected by the user.
• Modification of the plugin's configuration view.
• Fixing a bug of duplicated view when listing cards from the user account manager.
• Fixing a bug related to simultaneous cancellations in the Transbank form.

  Added

• The latest version of the plugin is now displayed from the diagnostic view.
• Partial refund option is added for Oneclick.
• Partial and total refunds are added for Webpay Plus.

Changed

• The service for collecting metrics is removed.
• The API Key field is modified to password type.
• Management of the log class is improved.
• Deprecated references to SOAP integration are removed.

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
7.3% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud