fix terraform clean bugs #3337

Job	Run time
Build (ubuntu-latest, linux)	41s
Build (windows-latest, windows)	6m 26s
Build (macos-latest, macos)	1m 3s
Docker Lint	23s
[localstack] demo-localstack	2m 21s
Acceptance Tests (ubuntu-latest, linux)	1m 29s
[k3s] demo-helmfile	54s
Acceptance Tests (windows-latest, windows)	9m 36s
Acceptance Tests (macos-latest, macos)	1m 35s
[lint] demo-context	11s
[lint] quick-start-advanced	11s
[mock-linux] demo-atlantis	6s
[validate] demo-context	6s
[mock-linux] demo-component-versions	11s
[validate] demo-localstack	3s
[mock-linux] demo-context	10s
[validate] demo-stacks	3s
[mock-linux] demo-vendoring	23s
[validate] demo-helmfile	3s
[mock-linux] tests	19s
[validate] quick-start-advanced	3s
[mock-windows] demo-atlantis	16s
[validate] quick-start-simple	7s
[mock-windows] demo-component-versions	26s
[mock-windows] demo-context	24s
[mock-windows] demo-vendoring	37s
[mock-windows] tests	57s
[mock-macos] demo-atlantis	11s
[mock-macos] demo-component-versions	15s
[mock-macos] demo-context	15s
[mock-macos] demo-vendoring	23s
[mock-macos] tests	26s
release	0s
	30m 34s

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