[MacPorts] #64347: tectonic: update to 0.8.0

[MacPorts]

#64347: tectonic: update to 0.8.0
---------------------------+----------------------
 Reporter:  saasaa         |      Owner:  (none)
     Type:  update         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:
 Keywords:  update bugfix  |       Port:  tectonic
---------------------------+----------------------
 Quoting from the tectonic 0.8.0 [https://github.com/tectonic-
 typesetting/tectonic/releases/tag/tectonic%400.8.0 release notes]:

 "This release fixes a showstopping issue introduced by recent changes to
 the
 archive.org PURL (persistent URL) service. All users are advised to
 upgrade
 immediately, although it is possible to continue using older releases in
 some
 limited circumstances."

-- 
Ticket URL: <https://trac.macports.org/ticket/64347>
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