The source project of this merge request has been removed.
Update at.bitfire.davdroid.yml - drop 3.0-ose (300000002), crashes on start,...
Update at.bitfire.davdroid.yml - drop 3.0-ose (300000002), crashes on start, instead provide 3.0-ose2 (300000004) and extend UpdateCheckMode: so it matches the 3.0-ose2 and similar tags.