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_latest.yml b/linux/system/repo/mos9_latest.yml
index d986602..14667a4 100644
--- a/linux/system/repo/mos9_latest.yml
+++ b/linux/system/repo/mos9_latest.yml
@@ -6,9 +6,9 @@
           version: latest
       repo:
         mirantis_latest_openstack_proposed:
-          source: "deb http://mirror.fuel-infra.org/mos-repos/ubuntu/snapshots/9.0-latest/ mos9.0-proposed main"
+          source: "deb https://mirror.fuel-infra.org/mos-repos/ubuntu/snapshots/9.0-latest/ mos9.0-proposed main"
           architectures: amd64
-          key_url: "http://mirror.fuel-infra.org/mos-repos/ubuntu/snapshots/9.0-latest/archive-mos9.0.key"
+          key_url: "https://mirror.fuel-infra.org/mos-repos/ubuntu/snapshots/9.0-latest/archive-mos9.0.key"
           pin:
             # Ceilometer packages should be picked from mos9.0-proposed
             # if more recent versions exist there because the packages