feat(@angular/build): drop support for TypeScript older than 5.8 #674

Job	Run time
list	39s
workflow (build-cli)	2m 4s
workflow (modules-builder-tests)	2m 19s
workflow (devkit-core-tests)	1m 51s
workflow (devkit-core-tests-rerun)	2m 4s
workflow (build-unit-tests)	2m 59s
	11m 56s

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