feat: add support for ArtifactHUB media types

mentioned in commit 2dcd197d

mentioned in issue #672 (closed)

mentioned in merge request gitlab-org/build/CNG!1007 (merged)

mentioned in commit 0d0f8354

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!1757 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!1758 (merged)

mentioned in merge request gitlab-org/charts/gitlab!2548 (merged)

mentioned in commit bedee307

mentioned in merge request omnibus-gitlab!6181 (merged)

mentioned in merge request gitlab-development-kit!2656 (merged)