[dav] Implement clean-betas on WebDAV support

4 jobs for dav-improvements in 7 minutes and 8 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #170947
docker
build_linux_36

00:06:48

passed #170948
docker
build_linux_37

00:06:04

passed #170949
macosx
build_macosx_36

00:07:06

passed #170950
macosx
build_macosx_37

00:07:01