fix sku variant values association on variants table

git st

src/Model/Table/ProductVariantsTable.php

@@ -62,9 +62,11 @@ class ProductVariantsTable extends Table
             'joinType' => 'INNER',
         ]);
 
-        $this->hasMany('ProductCategoryVariantOptions', [
-            'className' => 'CakeProducts.Products',
-            'foreignKey' => 'product_category_variant_id',
+        $this->hasMany('ProductSkuVariantValues', [
+            'className' => 'CakeProducts.ProductSkuVariantValues',
+            'foreignKey' => 'product_variant_id',
+            'dependent' => true,
+            'cascadeCallbacks' => true,
         ]);
     }