Ansible - Add github.com to list of known hosts

add_github_to_known_hosts.yml

    - name: Check if github.com is a known host
      command: ssh-keygen -H -F github.com -f {{ known_hosts_file }}
      register: github_is_known
      ignore_errors: True

    - name: Add github to known hosts
      shell: ssh-keyscan -H github.com >> {{ known_hosts_file }}
      when: github_is_known.stdout == ""