Change salt formula dependencies source

This patch changes provisioner:dependency:source: for all salt
formulas in the dependency: list of .kitchen.yml file to
https://gerrit.mcp.mirantis.com/salt-formulas/

Updated dependency:
  linux
  oslo_templates

Change-Id: Ic75ea08a4701fd01fe5bef20bfd25323c0fbfdbc
Related-Prod: PROD-29626
1 file changed