Fix product_id filter on content delivery repos
Fix product_id filter on content delivery repos

The value should be an integer.

JIRA: PDC-1104

product-definition-center/product-definition-center,xychu/product-definition-center,release-engineering/product-definition-center,lao605/product-definition-center,product-definition-center/product-definition-center,pombredanne/product-definition-center,lao605/product-definition-center,tzhaoredhat/automation,pombredanne/product-definition-center,pombredanne/product-definition-center,tzhaoredhat/automation,release-engineering/product-definition-center,lao605/product-definition-center,tzhaoredhat/automation,pombredanne/product-definition-center,product-definition-center/product-definition-center,release-engineering/product-definition-center,lao605/product-definition-center,xychu/product-definition-center,tzhaoredhat/automation,release-engineering/product-definition-center,product-definition-center/product-definition-center,xychu/product-definition-center,xychu/product-definition-center