Fix spacing

Author: DominicWatts

Makefile

@@ -20,7 +20,7 @@ checkstyle:
 checkquality:
 	vendor/bin/phpstan analyse
 
-    xmllint --noout --schema vendor/magento/module-store/etc/config.xsd            etc/config.xml
+	xmllint --noout --schema vendor/magento/module-store/etc/config.xsd            etc/config.xml
 	xmllint --noout --schema vendor/magento/module-backend/etc/menu.xsd            etc/adminhtml/menu.xml
 	xmllint --noout --schema vendor/magento/framework/App/etc/routes.xsd           etc/adminhtml/routes.xml
 	xmllint --noout --schema vendor/magento/module-config/etc/system.xsd           etc/adminhtml/system.xml