Use 'Kaidan::instance()' instead of 'kaidan'

3 jobs for refactor/kaidan-instance in 4 minutes and 25 seconds (queued for 49 minutes and 19 seconds)
Status Job ID Name Coverage
  Test
passed #65877
build

00:02:53

passed #65875
clazy

00:04:25

passed #65876
qmllint

00:00:59