devel/artifactory: Deprecate and set expiration date to 2025-05-31

Last updated in 2018 and marked as forbidden in 2023
Upstream is still active and never versions are available if someone
wants to pick it up.

New versions appears to located here:
https://releases.jfrog.io/artifactory/bintray-artifactory/org/artifactory/oss/jfrog-artifactory-oss/