I always enjoy replying to these comments with

  $ dig +short gitlab.com. AAAA
  2606:4700:90:0:f22e:fbec:5bed:a9b9

and, just to pour more salt in that wound

  $ dig +short bitbucket.org. AAAA
  2401:1d80:321c::bbc:1:df7c
  2401:1d80:321c:2:0:bbc:1:df7c
  2401:1d80:321c:1:0:bbc:1:df7c

  $ dig +short git.sr.ht. AAAA
  2a03:6000:1813:1337::155

and it's not like Microsoft doesn't know how to run IPv6, both microsoft.com and portal.azure.com are on V6