Log Message:
kdav: update to 5.93.0

5.86.0
Adapt to KIO DavJob factory methods removing QDomDocument from their API

5.91.0
Fix header installation path to include module prefix
Use uppercase "KDAV" name as qmake identifier, to be match KF standards
Fix pri file to also note KCoreAddons dependency
Fix non-existing include path set in pri file

5.92.0
Add iCloud info to README
Replace absolute URIs with relative ones in calendar-multiget request