[MacPorts] #58423: texlive: update to 2019

[MacPorts]

#58423: texlive: update to 2019
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 Reporter:  mojca   |      Owner:  (none)
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  texlive
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 TeX Live 2019 has been released.

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Ticket URL: <https://trac.macports.org/ticket/58423>
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