science/orthanc-postgresql: Update to 9.0
Take maintainership:
Maintainer unresponsive for almost two years: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275625 Also unresponsive to more recent pings
Changes: https://orthanc.uclouvain.be/hg/orthanc-postgresql/
PR: 275624
Approved by: portmgr (blanket, unbreak)