[MacPorts] #28206: peekabot: Update to version 0.8.4

[MacPorts]

#28206: peekabot: Update to version 0.8.4
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  Reporter:  staffan@…           |       Owner:  ryandesign@…           
      Type:  update              |      Status:  closed                 
  Priority:  Normal              |   Milestone:                         
 Component:  ports               |     Version:                         
Resolution:  fixed               |    Keywords:  haspatch maintainer    
      Port:  peekabot            |  
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Comment(by ryandesign@…):

 We don't have a definitive guideline. But I just tend to think about the
 fact that we have over 7500 ports in our tree, and that all users download
 this entire tree. If each port came with an 800KB patch, the ports tree
 would weigh in at over 5.7GB. The average size of a port directory is just
 over 8KB, and 99% of our ports are under 60KB, so when a port starts
 getting terribly much larger than that I start looking for ways to trim
 it.

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Ticket URL: <https://trac.macports.org/ticket/28206#comment:8>
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