Updated development dependencies #986

Job	Run time
Build (docs-app)	46s
Lint (docs-app)	28s
Test (packages/ember-container-query)	16s
Lint (packages/ember-container-query)	20s
Test compatibility (ember-lts-4.4)	42s
Lint (test-app)	22s
Test (test-app)	36s
Test compatibility (ember-lts-4.8)	46s
Test compatibility (ember-lts-4.12)	48s
Test compatibility (ember-lts-5.4)	50s
Test compatibility (ember-lts-5.8)	49s
Test compatibility (ember-release)	1m 3s
Test compatibility (ember-beta)	1m 2s
Test compatibility (ember-canary)	1m 10s
Test compatibility (embroider-safe)	1m 8s
Test compatibility (embroider-optimized)	58s
Test (docs-app) (w1-h1)	44s
Test (docs-app) (w2-h1)	1m 8s
Test (docs-app) (w3-h1)	59s
Test (docs-app) (w1-h2)	45s
Test (docs-app) (w2-h2)	55s
Test (docs-app) (w3-h2)	1m 5s
Test (docs-app) (w1-h3)	1m 6s
Test (docs-app) (w2-h3)	52s
Test (docs-app) (w3-h3)	58s
	20m 36s

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