Replaced lerna-changelog with changesets. Installed update-workspace-… #1012

Job	Run time
Lint (docs-app)	36s
Lint (packages/ember-container-query)	32s
Test compatibility (ember-lts-4.4)	52s
Build (docs-app)	46s
Lint (test-app)	29s
Test (packages/ember-container-query)	26s
Test compatibility (ember-lts-4.8)	1m 10s
Test (test-app)	49s
Test compatibility (ember-lts-4.12)	58s
Test compatibility (ember-lts-5.4)	1m 30s
Test compatibility (ember-lts-5.8)	1m 10s
Test compatibility (ember-release)	1m 37s
Test compatibility (ember-beta)	51s
Test compatibility (ember-canary)	1m 37s
Test compatibility (embroider-safe)	53s
Test compatibility (embroider-optimized)	54s
Test (docs-app) (w1-h1)	45s
Test (docs-app) (w2-h1)	59s
Test (docs-app) (w3-h1)	44s
Test (docs-app) (w1-h2)	50s
Test (docs-app) (w2-h2)	1m 2s
Test (docs-app) (w3-h2)	44s
Test (docs-app) (w1-h3)	55s
Test (docs-app) (w2-h3)	1m 3s
Test (docs-app) (w3-h3)	1m 3s
	23m 15s

Provide feedback