[MacPorts] #60539: add support for versions to `port bump`

[MacPorts]

#60539: add support for versions to `port bump`
--------------------------+--------------------
  Reporter:  lhaeger      |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:
Resolution:               |   Keywords:
      Port:               |
--------------------------+--------------------
Changes (by mf2k):

 * version:  2.6.2 =>
 * component:  ports => base


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Ticket URL: <https://trac.macports.org/ticket/60539#comment:1>
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