Added docker:setup yarn script (#22058) #15749

Job	Run time
Setup	1m 51s
Admin tests - Chrome	3m 54s
Lint	31s
i18n	28s
Admin-X Settings tests	5m 21s
Comments-UI tests	1m 36s
Database tests (Node 18.12.1, mysql8)	8m 58s
Database tests (Node 20.11.1, mysql8)	8m 26s
Ghost-CLI tests	4m 54s
Database tests (Node 20.11.1, sqlite3)	5m 44s
Performance tests	57s
Regression tests (Node 20.11.1, mysql8)	3m 10s
Signup-form tests	1m 39s
Unit tests (Node 18.12.1)	25s
Regression tests (Node 20.11.1, sqlite3)	1m 51s
Unit tests (Node 20.11.1)	24s
Browser tests	14m 38s
Publish @tryghost/admin-x-activitypub	49s
Coverage	9s
All required tests passed or skipped	1s
Canary	9m 36s
	1h 15m 22s

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