[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3653: Use newer coveralls version in GitHub Actions

[Tahoe-LAFS]

#3653: Use newer coveralls version in GitHub Actions
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     Reporter:  sajith              |      Owner:  sajith
         Type:  defect              |     Status:  assigned
     Priority:  normal              |  Milestone:  undecided
    Component:  dev-infrastructure  |    Version:  n/a
   Resolution:                      |   Keywords:
Launchpad Bug:                      |
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Changes (by sajith):

 * component:  unknown => dev-infrastructure


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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3653#comment:2>
Tahoe-LAFS <https://Tahoe-LAFS.org>
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