[MacPorts] #68932: svt-av1 attempts to download version 1.8.0_1 but 404's every mirror it tries. Cannot find newer version but 1.8.0_1 is only available version

[MacPorts]

#68932: svt-av1 attempts to download version 1.8.0_1 but 404's every mirror it
tries. Cannot find newer version but 1.8.0_1 is only available version
-------------------------+-------------------------
  Reporter:  NucleaPeon  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:              |   Keywords:  svt-av1 404
      Port:  sv1-av1     |
-------------------------+-------------------------

Comment (by NucleaPeon):

 I cannot install an older version either, so downgrading is not an option
 and I'm currently stuck.
 I'm attempting to package up youtube-dl and openssh using mpkg for a
 project.

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Ticket URL: <https://trac.macports.org/ticket/68932#comment:1>
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