ci: fix running of rplint on new and modified tests

11 jobs from rplint-ci in 3 minutes and 25 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Test
passed #205833
docker linux amd64
test:augeas

00:00:31

passed #205839
docker linux amd64
test:comparative:kresd

00:01:58

passed #205834
docker linux amd64
test:flake8

00:00:25

passed #205843
docker linux amd64
test:latest:kresd

00:01:20

passed #205835
docker linux amd64
test:mypy

00:00:29

passed #205836
docker linux amd64
test:pylint

00:00:27

passed #205837
docker linux amd64
test:rplint

00:00:15

passed #205842
docker linux amd64
test:sanity:pdnsrecursor

00:00:26

passed #205841
docker linux amd64
test:sanity:unbound

00:00:35

passed #205838
docker linux amd64
test:unittests

00:00:18

failed #205840
docker linux amd64
test:latest:kresd

00:01:26