connectivity,cloud-setup: restrict curl protocols to HTTP and HTTPS

See-also: https://fedoraproject.org/wiki/Changes/CurlMinimal_as_Default#Benefit_to_Fedora
See-also: https://github.com/systemd/systemd/commit/5 ## 5b90ee00b78a449c8f187a5e8141f8ccb100bf4
57 jobs for th/curl-protocols in 63 minutes and 38 seconds (queued for 4 seconds)