[MacPorts] #56044: Switch to buildbot 1.x

[MacPorts]

#56044: Switch to buildbot 1.x
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 Reporter:  raimue         |      Owner:  admin@…
     Type:  enhancement    |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  buildbot/mpbb  |    Version:
 Keywords:                 |       Port:
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 We need to look into updating to buildbot 1.x, which requires updating our
 buildbot master.cfg and testing the builds.

 This depends on having buildbot 1.x in the ports tree, see #53006.

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Ticket URL: <https://trac.macports.org/ticket/56044>
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