add ignore phpcs:ignore Magento2.Performance.ForeachArrayMerge.ForeachArrayMerge

Author: a.chorniy

app/code/Magento/Config/Model/Config/Structure.php

@@ -292,6 +292,7 @@ public function getFieldPathsByAttribute($attributeName, $attributeValue)
             foreach ($section['children'] as $group) {
                 if (isset($group['children'])) {
                     $path = $section['id'] . '/' . $group['id'];
+                    // phpcs:ignore Magento2.Performance.ForeachArrayMerge.ForeachArrayMerge
                     $result = array_merge(
                         $result,
                         $this->_getGroupFieldPathsByAttribute(