add download artifact feature in scanning

[PetrusZ]

What this PR does / Why we need it:

add download artifact feature in scanning

What is changed and how it works?

add download artifact feature in scanning

Does this PR introduce a user-facing change?

• [ ] API change
• [ ] database schema change
• [ ] upgrade assistant change
• [ ] change in non-functional attributes such as efficiency or availability
• [ ] fix of a previous issue