Revert "Improve GitHub Actions workflows with environment variable ha… #224

Job	Run time
cli-integration (macos)	14s
cli-integration (ubuntu)	15s
updater-create-pr / update	15s
cli-integration (windows)	23s
updater-test-args / cancel-previous-run	3s
updater-create-pr / cancel-previous-run	3s
updater-test-args / update	10s
updater-test-outputs	5s
	1m 28s

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