[MacPorts] #26697: pango: update to version 1.28.3

[MacPorts]

#26697: pango: update to version 1.28.3
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 Reporter:  devans@…             |       Owner:  ryandesign@…           
     Type:  update               |      Status:  new                    
 Priority:  Normal               |   Milestone:                         
Component:  ports                |     Version:  1.9.1                  
 Keywords:                       |        Port:  pango                  
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 Attached for your review is a proposed patch to upgrade pango to 1.28.3.
 GObject introspection is disabled for now since it causes the universal
 build to break. The problem appears to be due to
 improper handling of arch flags in the giscanner python tool provided by
 gobject-introspection. Introspection works fine in a
 non-universal build.

 In addition to being the latest version, it also solves the problem
 stated in #20924.

 Please advise if this is acceptable or if further changes need to be made.

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Ticket URL: <https://trac.macports.org/ticket/26697>
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