Update osc-plugin-collab to version 0.104+26 / rev 21 via SR 1067139
https://build.opensuse.org/request/show/1067139
by user dimstar + dimstar_suse
- Update to version 0.104+26:
* Re-implement filedir_to_pac as this was dropped in osc 1.0
- Update to version 0.104+24:
* No longer support being calles as 'osc gnome'
* Track GNOME 41 for Leap 15.4 and SLE15SP4