Resolve "Outbound requests whitelist for local networks"

Add Outbound requests whitelist for local networks

Hi there, this my 1st Gitlab contribution.

• Ruby level 0️⃣ | Rails level 0️⃣

This issue is intended to close #44496 (closed).

What are the relevant issue numbers?

#44496 (closed) #15329 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides