[MacPorts] #55766: pcb: Update to 4.1.0

[MacPorts]

#55766: pcb: Update to 4.1.0
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  Reporter:  technobauble  |      Owner:
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  pcb           |
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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.
  - We are now adding the {{{size}}} parameter to checksums. Can you add
 that please?

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Ticket URL: <https://trac.macports.org/ticket/55766#comment:1>
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