ansible-machine-setup/roles/github-auth/tasks/main.yaml

---
- name: install required packages
  package:
      name:
        - ca-certificates
      state: latest

- name: add ssh pubkey to github account
  github_key:
      name: Added by ansible
      token: "{{ lookup('env', 'GITHUB_ACCESS_TOKEN') }}"
      pubkey: "{{ account.ssh_public_key }}"