update circle.yml
update circle.yml

- update from docker:17.04 to docker:17.05
- install git and ssh to suppress CircleCI warning

Signed-off-by: Gaetan de Villele <9e9aedc08ce54c2f5baa13ea4ed4212fe28a9f42@gmail.com>

riyazdf/cli,dnephin/cli,docker/cli,riyazdf/cli,e11137/cli,ashfall/cli,thaJeztah/cli,redpanda/cli,cpuguy83/cli,ashfall/cli,cpuguy83/cli,allencloud/cli,thaJeztah/cli,Zebrilee/cli,docker/cli,e11137/cli,redpanda/cli,allencloud/cli,Zebrilee/cli,dnephin/cli