Second attempt at switching on Monaco #623

Job	Run time
Build and run integration tests (18.x)	3m 12s
Lint (18.x)	48s
JS Tests (18.x)	2m 55s
Build and run integration tests (19.x)	3m 16s
Lint (19.x)	35s
JS Tests (19.x)	3m 13s
Build and run integration tests (20.x)	3m 4s
Lint (20.x)	23s
JS Tests (20.x)	3m 3s
Build and run integration tests (21.x)	3m 21s
Lint (21.x)	38s
JS Tests (21.x)	2m 59s
Publish to NPM	0s
	27m 27s

Provide feedback