FirstRun: add missing deps for Alpine

This allows building Phonon, qtkeychain and knotifications (and probably
more)
2 jobs for alpine-firstrun-missing-deps in 2 minutes and 28 seconds (queued for 47 minutes and 17 seconds)
latest
Status Job ID Name Coverage
  Test
passed #93282
smoke-test

00:01:53

passed #93281
unit-test

00:00:35