bugfixes:
  - terraform - fix issue that cause the execution fail because from Terraform 0.15 on, the ``-var`` and ``-var-file`` options are no longer available on ``terraform validate`` (https://github.com/ansible-collections/community.general/pull/2246).
  - terraform - fix issue that cause the destroy to fail because from Terraform 0.15 on, the ``terraform destroy -force`` option is replaced with ``terraform destroy -auto-approve`` (https://github.com/ansible-collections/community.general/issues/2247).
  - terraform - remove uses of ``use_unsafe_shell=True`` (https://github.com/ansible-collections/community.general/pull/2246).