Update copyright

Author: srenon

etc/adminhtml/system.xml

@@ -21,7 +21,7 @@
                 <comment>
                     <![CDATA[
                     <div class="magepal-info">
-                        Copyright © 2021 <a href="https://www.magepal.com/magento2/extensions.html?utm_source=miscellaneous-scripts&utm_medium=admin" target="_blank">MagePal, LLC</a>
+                        Copyright © 2022 <a href="https://www.magepal.com/magento2/extensions.html?utm_source=miscellaneous-scripts&utm_medium=admin" target="_blank">MagePal, LLC</a>
                         <a href="https://www.magepal.com/help/docs/success-page-miscellaneous-scripts-magento-2/?utm_source=miscellaneous-scripts&utm_medium=admin#documentation" target="_blank">Documentation</a>
                         <a href="https://www.magepal.com/help/docs/success-page-miscellaneous-scripts-magento-2/?utm_source=miscellaneous-scripts&utm_medium=admin#support">Support</a>
                         <a href="https://www.magepal.com/help/docs/success-page-miscellaneous-scripts-magento-2?utm_source=miscellaneous-scripts&utm_medium=admin#current_version" target="_blank">Latest Version</a>