incorporates feedback #3195

Job	Run time
Setup Build Matrix (true, ion-rust, windows, macos, ubuntu, al2-x86, al2-arm, windows, macos, ubu...	1s
Build and Test (windows, default)	2m 39s
Build and Test (windows, all)	3m 33s
Build and Test (windows, experimental-ion-hash)	3m 26s
Build and Test (windows, experimental)	3m 26s
Build and Test (macos, default)	51s
Build and Test (macos, all)	1m 16s
Build and Test (macos, experimental-ion-hash)	1m 25s
Build and Test (macos, experimental)	1m 17s
Build and Test (ubuntu, default)	1m 4s
Build and Test (ubuntu, all)	2m 46s
Build and Test (ubuntu, experimental-ion-hash)	1m 45s
Build and Test (ubuntu, experimental)	1m 39s
Build and Test (al2-x86, default)	1m 2s
Build and Test (al2-x86, all)	1m 22s
Build and Test (al2-x86, experimental-ion-hash)	1m 19s
Build and Test (al2-x86, experimental)	1m 19s
Build and Test (al2-arm, default)	1m 7s
Build and Test (al2-arm, all)	1m 20s
Build and Test (al2-arm, experimental-ion-hash)	1m 15s
Build and Test (al2-arm, experimental)	1m 21s
Build and Test Confirmation	1s
	35m 14s

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