Convert to manifest v3 (#2111) #5141

Job	Run time
Build extensions	5m 46s
Test	2m 48s
ember-try (ember-lts-3.16)	1m 50s
ember-try (ember-lts-3.20)	1m 40s
ember-try (ember-lts-3.24)	1m 41s
ember-try (ember-lts-3.28)	2m 4s
ember-try (ember-release)	1m 32s
ember-try (ember-beta)	2m 25s
ember-try (ember-canary)	1m 35s
ember-try (ember-default-no-prototype-extensions)	1m 33s
Publish bookmarklet	0s
Publish Chrome extension	0s
Publish GitHub release	0s
Publish Firefox extension	0s
Publish npm package	0s
	22m 54s

Provide feedback