[MacPorts] #67793: audio/hydrogen: update to 1.2.1

[MacPorts]

#67793: audio/hydrogen: update to 1.2.1
--------------------+----------------------
 Reporter:  luzpaz  |      Owner:  (none)
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  hydrogen
--------------------+----------------------
 https://github.com/hydrogen-music/hydrogen/releases/tag/1.2.1

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Ticket URL: <https://trac.macports.org/ticket/67793>
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