Added printenv command to output environment variables. #310

Job	Run time
cli-integration (windows)	26s
cli-integration (ubuntu)	15s
updater-test-args / cancel-previous-run	6s
updater-create-pr / validate-inputs	8s
cli-integration (macos)	4m 20s
updater-create-pr / cancel-previous-run	3s
updater-test-args / validate-inputs	7s
updater-test-args / update	10s
updater-create-pr / update	29s
updater-test-outputs	7s
	6m 11s

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