ansible_role_package/tasks/pkgs/go.yml

---
- ansible.builtin.include_vars:
    file: go.yml
    name: _go
- ansible.builtin.set_fact:
    pkgconfig:
      go: "{{ _go | ansible.builtin.combine(pkgconfig.go) }}"

- name: append to pkgs
  set_fact:
    srcpkgs: "{{ srcpkgs + [ 'go' ] }}"