Switch all mirror repos to https

This patch updates all repos in reclass-system for mirror.mirantis.com
to use https scheme.

Change-Id: Ic48207caf5746f8e9395e4b5552a6b9c8df49a92
Related-Prod:  PROD-27431
diff --git a/linux/system/repo/mos9_hotfix.yml b/linux/system/repo/mos9_hotfix.yml
index 0174dd3..c33beee 100644
--- a/linux/system/repo/mos9_hotfix.yml
+++ b/linux/system/repo/mos9_hotfix.yml
@@ -3,6 +3,6 @@
     system:
       repo:
         mirantis_openstack_puppet_hotfix:
-          source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/9.1-hotfix-puppet/ mos9.0 main restricted"
+          source: "deb https://mirror.fuel-infra.org/mos-repos/ubuntu/9.1-hotfix-puppet/ mos9.0 main restricted"
           architectures: amd64
-          key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/9.1-hotfix-puppet/archive-mos9.0.key"
+          key_url: "https://mirror.fuel-infra.org/mos-repos/ubuntu/9.1-hotfix-puppet/archive-mos9.0.key"