Update C++REST SDK to 2.10.6
Update C++REST SDK to 2.10.6

Newer versions removed native build systems, don’t update to them for
now.

nawawi/poedit,alexhenrie/poedit,PKRoma/poedit,vslavik/poedit,alexhenrie/poedit,PKRoma/poedit,c72578/poedit,c72578/poedit,c72578/poedit,PKRoma/poedit,alexhenrie/poedit,alexhenrie/poedit,alexhenrie/poedit,nawawi/poedit,vslavik/poedit,nawawi/poedit,vslavik/poedit,c72578/poedit,c72578/poedit,PKRoma/poedit,vslavik/poedit,nawawi/poedit,PKRoma/poedit,nawawi/poedit,vslavik/poedit