Libterraform

- Update terraform to 1.8.4
- TerraformCommand `providers_lock` supports `enable_plugin_cache`
- Makefile supports `make format`

- Update terraform to 1.6.6
- TerraformCommand supports `get`
- Update params of command `init`, `validate`, `plan`, `fmt`, `providers`, `providers_lock`, `providers_mirror`, `refresh`
- Incompatible changes: the test command is changed from experimental to official, and the parameters are changed.
- Support Python 3.12

- Update terraform to 1.5.7

- `fmt` supports multi dirs
- `force_unlock` removes allow_missing_config
- only python 3.7 and above are supported

- Update TF to 1.2.2
- plan supports multi replace and target
- refresh supports parallelism

Fix memory leak.