Update duc to version 1.4.5 / rev 4 via SR 990948
https://build.opensuse.org/request/show/990948
by user jubalh + RBrownFactory
- Update to 1.4.5:
* new: added '-u' option to duc index to index by username
* new: added json subcommand
* new: added support for NO_COLOR env var
* cha: duc db location is now XDG compliant
* fix: various bug fixes, check the git log for details