Update dependency ember-cli-code-coverage to v3 #592

Job	Run time
Docs	23s
Floating Dependencies	1m 47s
Tests	1m 49s
Node Tests	23s
ember-lts-4.4, Chrome	1m 44s
Coverage Report (default)	1m 39s
ember-lts-4.8, Chrome	1m 39s
Coverage Report (plain-html)	1m 45s
ember-lts-4.12, Chrome	1m 53s
Coverage Report (bs4)	2m 0s
ember-lts-5.4, Chrome	1m 45s
Coverage Report (bs5)	1m 56s
ember-release, Chrome	1m 40s
ember-beta, Chrome	1m 50s
ember-canary, Chrome	1m 52s
ember-lts-4.4-with-plain-html, Chrome	1m 37s
ember-lts-4.8-with-plain-html, Chrome	1m 43s
ember-lts-4.12-with-plain-html, Chrome	1m 46s
ember-beta-with-plain-html, Chrome	1m 52s
ember-lts-4.4-with-ember-bootstrap-v4, Chrome	1m 49s
ember-lts-4.8-with-ember-bootstrap-v4, Chrome	1m 43s
ember-lts-4.12-with-ember-bootstrap-v4, Chrome	1m 56s
ember-beta-with-ember-bootstrap-v4, Chrome	1m 49s
ember-lts-4.4-with-ember-bootstrap-v5, Chrome	2m 10s
ember-lts-4.8-with-ember-bootstrap-v5, Chrome	2m 11s
ember-lts-4.12-with-ember-bootstrap-v5, Chrome	2m 8s
ember-beta-with-ember-bootstrap-v5, Chrome	1m 50s
embroider-safe, Chrome	1m 31s
embroider-optimized, Chrome	1m 32s
ember-release, Firefox	2m 15s
ember-default-with-ember-bootstrap-v4, Firefox	2m 4s
ember-default-with-ember-bootstrap-v5, Firefox	2m 20s
ember-default-with-plain-html, Firefox	2m 8s
Send Coverage Report	21s
validate-success	0s
CI pipeline succeeded	1s
	58m 51s

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