Update python-azure-mgmt-iothub to version 3.0.0 / rev 16 via SR 1112282
    
    https://build.opensuse.org/request/show/1112282
    by user rjschwei + dimstar_suse
    - New upstream release
      + Version 3.0.0
      + For detailed information about changes see the
        CHANGELOG.md file provided with this package
    - Remove unzip package from BuildRequires
    - Switch source archive format to TAR.GZ (forwarded request 1112279 from glaubitz)