test(@angular/build): add E2E test for Vitest custom browser configur… #3542

Job	Run time
list	20s
workflow (modules-builder-tests)	2m 8s
workflow (devkit-core-tests)	2m 7s
workflow (build-cli)	2m 2s
workflow (build-unit-tests)	2m 7s
workflow (devkit-core-tests-rerun)	1m 36s
	10m 20s

Provide feedback