build: add SKIP_DESTROY env option

[kruskall]

The terraform script can only be used for smoke testing as it is, since the environment is destroyed once the script exits. To allow reuse, add a SKIP_DESTROY env variable to skip the cleanup process and allow to use the script for provisioning.

[ghost]

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• Start Time: 2022-09-30T00:52:12.967+0000

• Duration: 9 min 30 sec

Test stats 🧪

Test	Results
Failed	0
Passed	164
Skipped	2
Total	166

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