Update python-argcomplete to version 1.12.3 / rev 18 via SR 897830
https://build.opensuse.org/request/show/897830
by user dirkmueller + dimstar_suse
- update to 1.12.3:
* Update importlib-metadata version pin
* Display script debug output in tcsh
* Fish support improvements
* Print ``warn()`` message from beginning of line
* Test infrastructure improvements