I sent this gift card to a scammer.
Will I get a refund I accidentally send a card to a scammer?
iPhone 12 Pro Max, iOS 15
No, it is not possible, unless you can track down the scammer.
See the following Apple articles:
Recognize and avoid phishing messages, phony support calls, and other scams
Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support
If you think your Apple ID has been compromised
If you think your Apple ID has been compromised - Apple Support