Update updater workflow to use GITHUB_WORKFLOW_REF #297

Job	Run time
cli-integration (windows)	30s
cli-integration (ubuntu)	16s
updater-test-args / validate-inputs	12s
cli-integration (macos)	52s
updater-create-pr / validate-inputs	6s
updater-create-pr / cancel-previous-run	5s
updater-test-args / cancel-previous-run	5s
updater-create-pr / update	13s
updater-test-args / update	7s
updater-test-outputs	0s
	2m 26s

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