[MacPorts] #55973: demeter, demeter-devel: Update to 0.9.26

[MacPorts]

#55973: demeter, demeter-devel: Update to 0.9.26
------------------------+------------------------------------
 Reporter:  ryandesign  |      Owner:  joefowler
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  demeter, demeter-devel
------------------------+------------------------------------
 demeter 0.9.26 is available.

 {{{
 $ port livecheck demeter demeter-devel
 demeter seems to have been updated (port version: 0.9.25, new version:
 0.9.26)
 demeter-devel seems to have been updated (port version: 0.9.25, new
 version: 0.9.26)
 }}}

 demeter and demeter-devel should be updated to that version. I tried
 simply updating the `version` and `checksums`, but it failed to build.

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Ticket URL: <https://trac.macports.org/ticket/55973>
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