build: exclude terraform folder from license check

[kruskall]

license task is reporting missing licenses in the .terraform cache folder.

[ghost]

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Build stats

• Start Time: 2022-09-28T18:53:22.861+0000

• Duration: 8 min 26 sec

Test stats 🧪

Test	Results
Failed	0
Passed	164
Skipped	2
Total	166

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