Update devDependencies #1195

Job	Run time
Lints	1m 13s
Test ember-scoped-css	1m 3s
Test test-apps/classic-app	1m 54s
Test test-apps/embroider-app	1m 19s
Test test-apps/pods-embroider-app	1m 11s
Test test-apps/pods-classic-app	1m 17s
Floating ember-scoped-css	1m 1s
ember-lts-4.4	2m 18s
Floating test-apps/classic-app	2m 2s
ember-lts-4.12	2m 4s
Floating test-apps/embroider-app	1m 19s
ember-lts-5.4	2m 0s
Floating test-apps/pods-embroider-app	1m 8s
ember-lts-5.8	2m 7s
Floating test-apps/pods-classic-app	1m 11s
ember-release	2m 8s
ember-beta	2m 9s
	27m 24s

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