refactor(@angular/build): extract Vitest plugins from executor in uni… #1863

Job	Run time
list	21s
workflow (build-cli)	1m 35s
workflow (modules-builder-tests)	1m 57s
workflow (devkit-core-tests-rerun)	1m 30s
workflow (build-unit-tests)	2m 18s
workflow (devkit-core-tests)	1m 29s
	9m 10s

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