better libknot-2.4 fixup

3 jobs for <span class="ref-name">libknot-2.4</span> in 1 minute and 46 seconds
Status Job ID Name Coverage
  Build
passed #1307
docker linux amd64
build:linux:amd64

00:00:29

 
  Test
passed #1309
docker linux amd64
deckard:linux:amd64

00:00:54

passed #1308
docker linux amd64
test:linux:amd64

00:00:22