fix(@angular/cli): correctly report available package updates during … #4046

Job	Run time
list	36s
workflow (modules-builder-tests)	2m 8s
workflow (build-unit-tests)	2m 48s
workflow (devkit-core-tests-rerun)	1m 38s
workflow (devkit-core-tests)	1m 37s
workflow (build-cli)	1m 51s
	10m 38s

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