[MacPorts] #58261: glib2(-devel): update to latest version 2.60.0

[MacPorts]

#58261: glib2(-devel): update to latest version 2.60.0
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 Reporter:  dbevans  |      Owner:  ryandesign
     Type:  defect   |     Status:  assigned
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:  glib2
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Ticket URL: <https://trac.macports.org/ticket/58261>
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