[MacPorts] #22684: Update Growl from 1.1.4 -> 1.2.1

[MacPorts]

#22684: Update Growl from 1.1.4 -> 1.2.1
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 Reporter:  ryan@…             |       Owner:  boeyms@…           
     Type:  update             |      Status:  new                
 Priority:  Normal             |   Milestone:                     
Component:  ports              |     Version:                     
 Keywords:                     |        Port:  Growl              
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Comment(by jmr@…):

 We should probably only install the framework. The helper and prefpane are
 not needed for dependents to build, and are likely to be installed outside
 of MacPorts.

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Ticket URL: <https://trac.macports.org/ticket/22684#comment:4>
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