fix(@angular/build): enhance Vitest dependency externalization and pr… #2405

Job	Run time
list	18s
workflow (devkit-core-tests)	1m 29s
workflow (modules-builder-tests)	1m 45s
workflow (devkit-core-tests-rerun)	1m 34s
workflow (build-unit-tests)	2m 20s
workflow (build-cli)	1m 34s
	9m 0s

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