Added a clean-rebuild.ps1 for Windows. Updated timestamp to use updat… #2735

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)	3m 20s
Build and Test (windows, all)	3m 19s
Build and Test (windows, experimental-ion-hash)	3m 35s
Build and Test (windows, experimental)	2m 50s
Build and Test (macos, default)	2m 26s
Build and Test (macos, all)	1m 54s
Build and Test (macos, experimental-ion-hash)	3m 0s
Build and Test (macos, experimental)	2m 4s
Build and Test (ubuntu, default)	1m 38s
Build and Test (ubuntu, all)	2m 30s
Build and Test (ubuntu, experimental-ion-hash)	1m 40s
Build and Test (ubuntu, experimental)	1m 38s
Build and Test (al2-x86, default)	1m 12s
Build and Test (al2-x86, all)	1m 17s
Build and Test (al2-x86, experimental-ion-hash)	1m 15s
Build and Test (al2-x86, experimental)	1m 12s
Build and Test (al2-arm, default)	1m 35s
Build and Test (al2-arm, all)	1m 34s
Build and Test (al2-arm, experimental-ion-hash)	1m 34s
Build and Test (al2-arm, experimental)	1m 32s
Build and Test Confirmation	1s
	41m 7s

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