[tahoe-lafs-trac-stream] [Tahoe-LAFS] #4137: Update Fedora builder image to fc41

[Tahoe-LAFS]

#4137: Update Fedora builder image to fc41
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     Reporter:  blaisep             |      Owner:  btlogy
         Type:  task                |     Status:  new
     Priority:  normal              |  Milestone:  Automate Release Process
    Component:  dev-infrastructure  |    Version:  n/a
   Resolution:                      |   Keywords:  ci
Launchpad Bug:                      |
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Comment (by btlogy):

 Rather than [https://github.com/tahoe-lafs/tahoe-lafs/pull/1405 PR#1405]
 which propose to switch from `oraclelinux-8` to `fedora-35`, I'm now in
 favor for [https://github.com/tahoe-lafs/tahoe-lafs/pull/1406 PR#1406]
 which should drop python 3.8 while keeping `oraclelinux-8`.

 Then we can bring back `fedora-35` and bump it to `fedora-41` (which will
 also require to publish a new image in Docker hub).

 I'll try to test this new build on GHA while waiting for
 [https://github.com/tahoe-lafs/tahoe-lafs/pull/1406 PR#1406] to be
 merged...

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/4137#comment:3>
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