Merge branch 'ansible-fix-apt-key-proxy' into 'master'

Ansible fix apt key proxy problem

See merge request !6359

(cherry picked from commit 59111fc7)

614fc599 Handle apt_key not using http_proxy
70f796d7 Fix typos
483ad587 Fix typo ch_apt_key_id
de23409e Fix wrong indent
5ac84525 Bring ch repo back