Update bumblebee to rev 13 via SR 834552
    
    https://build.opensuse.org/request/show/834552
    by user dimstar_suse
    - Add Debian patch to fix build with GCC10:
      * Fix_build_with_GCC10.patch
    
    - Fixes for %_libexecdir changing to /usr/libexec (bsc#1174075) (forwarded request 834331 from cgiboudeaux)