[MacPorts] #74223: spdlog @1.16 has no need to depend on libfmt10

[MacPorts]

#74223: spdlog @1.16 has no need to depend on libfmt10
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  Reporter:  ballapete  |      Owner:  (none)
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.12.5
Resolution:             |   Keywords:
      Port:  spdlog     |
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Comment (by ballapete):

 Upgrade spdlog to depend on the same as doxygen to save disk space,
 versions and possible problems with a variety of them.

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Ticket URL: <https://trac.macports.org/ticket/74223#comment:2>
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