ansible: jenkins: debian: add more packages

Add python3-setuptools, as it is needed to run the
update-osmo-python-on-slaves jenkins job.

Add bc, as it is needed in docker-playground.git's network_create() in
jenkins-common.sh.

Related: OS#6186
Change-Id: I1ff0711b7b29ba4dc78f51f257b986d7a0994a96
1 file changed