fix(@angular/build): bump undici to 7.28.0 #3843

Job	Run time
list	42s
workflow (modules-builder-tests)	2m 27s
workflow (build-cli)	2m 0s
workflow (devkit-core-tests)	1m 35s
workflow (devkit-core-tests-rerun)	1m 36s
workflow (build-unit-tests)	2m 37s
	10m 57s

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