fix deploy workflow #573

Job	Run time
Tests	1m 12s
Docs	1m 20s
Floating Dependencies	1m 4s
Tests - Basic App	3m 53s
Tests - App That Excludes Mirage	50s
ember-lts-3.28	1m 10s
ember-lts-4.4	1m 9s
ember-lts-4.8	1m 8s
ember-lts-4.12	1m 11s
ember-release	1m 5s
ember-beta	1m 10s
ember-canary	1m 42s
	16m 54s

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