[MacPorts] #36498: ZMQ - Port update + maintainer update

[MacPorts]

#36498: ZMQ - Port update + maintainer update
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 Reporter:  merijn@…              |      Owner:  macports-tickets@…
     Type:  update                |     Status:  new
 Priority:  Normal                |  Milestone:
Component:  ports                 |    Version:  2.1.2
 Keywords:  haspatch, maintainer  |       Port:  zmq
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 Adopted maintenance of ZMQ and updated the Portfile to install version 3.2

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Ticket URL: <https://trac.macports.org/ticket/36498>
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