Test

Update dependency @release-it-plugins/lerna-changelog to v6 #2400

Job	Run time
Tests	1m 40s
Floating dependencies	1m 41s
ember-try: ember-lts-3.28	1m 42s
ember-try: ember-lts-4.4	1m 44s
ember-try: ember-release	2m 23s
ember-try: ember-beta	2m 9s
ember-try: ember-canary	2m 21s
ember-try: embroider-safe	1m 13s
ember-try: embroider-optimized	1m 0s
ember-try: ember-classic	1m 41s
	17m 34s

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