Ansible provisioner missing use_proxy

[chodges15]

packerlicious version

1.5.0

Expected behavior

Ansible provisioner contains latest available configuration options from Packer 1.5.6.

Actual behavior

AttributeError: ansible object does not support attribute use_proxy

Steps to reproduce

Set a provisioner up like the following:

template.add_provisioner(
            provisioner.Ansible(
                playbook_file=vm_config['ansible_playbook'],
                use_proxy=False,
                ansible_env_vars=[
                    "ANSIBLE_ROLES_PATH=galaxy",
                    "ansible_python_interpreter=/usr/bin/python",
                    "-vv"
                ]
            )
        )