NTR: Correct selection string for giftcard

Author: fjbender

view/frontend/web/template/payment/giftcard.html

@@ -20,7 +20,7 @@
         <!-- ko if: getIssuers() -->
         <!-- ko if: getIssuerListType() == 'dropdown' -->
         <div class="field-select-billing">
-            <strong><span data-bind="i18n: 'Select Bank'"></span></strong>
+            <strong><span data-bind="i18n: 'Select Giftcard'"></span></strong>
             <select data-bind="options: getIssuers(), optionsText: 'name', optionsValue: 'id', value: selectedIssuer"></select>
         </div>
         <br/>