job_manager/create: add cache_size limit

5 jobs for resource-control in 1 minute and 16 seconds (queued for 7 seconds)
latest
Status Name Job ID Coverage
  Test
passed test:flake8 #184798
docker linux amd64

00:00:21

passed test:mypy #184797
docker linux amd64

00:00:24

passed test:pylint #184799
docker linux amd64

00:00:36

passed test:pytest #184800
docker linux amd64

00:00:20

passed test:respdiff #184801
docker linux amd64

00:01:15