feat: add `skip-fmt` config option #485

Job	Run time
test-directory-failure	6s
terraform-plan (changes, false)	9s
terraform-plan (no-changes, false)	8s
terraform-plan (format-error, true)	8s
terraform-plan (invalid, true)	10s
terraform-plan (conftest-deny, true)	17s
terraform-plan (skip-conftest, false, true)	9s
terraform-plan (skip-fmt, false, true)	9s
terraform-plan (skip-plan, false, true)	12s
terraform-plan (truncate-plan, false)	23s
terraform-plan (init-fail, true)	8s
terraform-plan (validate-fail, true)	12s
test-action-comments	0s
	2m 11s

Provide feedback