Use rebase as merge strategy for PR
Use rebase as merge strategy for PR

Signed-off-by: Julien Danjou <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@danjou.info>

ceph/ceph-ansible,fgal/ceph-ansible,font/ceph-ansible,ceph/ceph-ansible,font/ceph-ansible,fgal/ceph-ansible