[MacPorts] #40075: ola @0.8.30: update to 0.8.31

[MacPorts]

#40075: ola @0.8.30: update to 0.8.31
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 Reporter:  nomis52@…            |      Owner:  macports-tickets@…
     Type:  enhancement          |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.2.0
 Keywords:  haspatch maintainer  |       Port:  ola
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 Update to reflect the new upstream release.

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Ticket URL: <https://trac.macports.org/ticket/40075>
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