[MacPorts] #51497: unittest-cpp @1.4.1 Upgrade to version 1.6.1

[MacPorts]

#51497: unittest-cpp @1.4.1 Upgrade to version 1.6.1
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  Reporter:  jm.gomez@…    |      Owner:  macports-tickets@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.4
Resolution:                |   Keywords:
      Port:  unittest-cpp  |
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Comment (by mf2k@…):

 Thanks. Some comments:
  - The {{{revision}}} line should be deleted because it starts at 0 when
 increasing the version and that is the default value.
  - Add a sha256 checksum and remove the obsolete {{{md5}}} and {{{sha1}}}
 checksums unless upstream provides them.
  - Since it is now hosted at Github, the github portgroup should be used.
 This will allow the Portfile to be simplified.

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Ticket URL: <https://trac.macports.org/ticket/51497#comment:1>
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