Update brltty to version 6.6 / rev 62 via SR 1105121
    
    https://build.opensuse.org/request/show/1105121
    by user mgorse + anag+factory
    - Add e6707d5e.patch: brlapi: Fix python crash on connection error.
      Cython 3.0 started using the new Python object finalization APIs
      from PEP 442.
    
    - Update to version 6.6:
      + Too many changes; please read ChangeLog
    - Update api_version.
    - Rebase brltty-udev-dir.patch.