Tests

Add new Github pipeline for integration testing #10

Job	Run time
get-latest-tag	10s
compute-matrix	3s
setup-tf-providers (terraform, 1.11.4)	41s
setup-tf-providers (tofu, 1.9.0)	31s
tests (terraform, 1.11.4)	1s
tests (tofu, 1.9.0)	1s
push-changes	1s
	1m 28s

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