[MacPorts] #47772: digikam: update to 4.10.0, mariadb variant and dependency cleanup

[MacPorts]

#47772: digikam: update to 4.10.0, mariadb variant and dependency cleanup
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  Reporter:  rjvbertin@…  |      Owner:  macports-tickets@…
      Type:  update       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  digikam      |
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Comment (by ctreleaven@…):

 I suggest the variant should be named "mariadb55".  We already have a beta
 for Maria DB 10.  Also, have you considered mysql55 and mysql56 variants?

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Ticket URL: <https://trac.macports.org/ticket/47772#comment:1>
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