Update system.xml

Author: KozakSerhii

etc/adminhtml/system.xml

@@ -14,6 +14,7 @@
             <resource>Magefan_ProductLabel::mfproductlabel</resource>
             <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                 <label>General Configuration</label>
+                <attribute type="expanded">1</attribute>
                 <field id="version" translate="label comment" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                     <frontend_model>Magefan\ProductLabel\Block\Adminhtml\System\Config\Form\Info</frontend_model>
                 </field>