request for http://example.com/ipfs/{CID} with X-Forwarded-Proto: https produces redirect to HTTPS URL (HTTP proxy)

Implementation	bifrost-gateway	boxo	kubo
Conformance Version	main	main	main
Total	✅8	✅8	✅8
Header Location	✅2	✅2	✅2
Status code	✅2	✅2	✅2