Update folks to version 0.15.6 / rev 59 via SR 1073224
    
    https://build.opensuse.org/request/show/1073224
    by user dimstar + dimstar_suse
    - Update to version 0.15.6:
      + Major changes:
        - Projects should be able to use the typelib-based bindings
        - sysprof is now used for profiling
        - Lots of translation updates
        - Several smaller Meson changes
      + Bugs fixed:
        - folks-generics: Add missing generic type argument
        - tests/bluez: Follow PairDevice API change in python-dbusmock
    - Add global requires_exclude
      libfolks|libfolks-dummy|libfolks-eds|libfolks-telepathy remove
      wrong requires in typelibs. (forwarded request 1073088 from iznogood)