Enhance computation of system-package provided by a ExecutionEnvironment #408

Job	Run time
check-freeze-period / verify-freeze-period	1s
check-merge-commits / Block Merge Commits	11s
build / Verify Linux	20m 18s
build / Verify Windows	28m 1s
build / Verify MacOS	21m 19s
build / Upload Event File	2s
	1h 9m 52s

Provide feedback