ENGCOM-7032: table bottom color different then thead and tbody border color #26649

 - Merge Pull Request #26649 from tejash-wagento/magento2:table-border-color
 - Merged commits:
   1. 3a5cc24

Author: magento-engcom-team

app/design/frontend/Magento/luma/Magento_Customer/web/css/source/_module.less

@@ -8,7 +8,7 @@
 //  _____________________________________________
 
 @account-title-border-color: @color-gray-middle2;
-@account-table-border-bottom-color: @color-gray-middle1;
+@account-table-border-bottom-color: @color-gray_light;
 @account-table-action-delete: @color-red12;
 
 @_password-default: @color-gray-light01;