Optimize qubit hash for Set operations #16477

Job	Run time
Packaging test	1m 13s
Format check	7s
Type check	1m 22s
Misc check	6s
Build protos	15s
Changed files test	1m 6s
Coverage check	10m 46s
Doc test	1m 46s
Isolated pytest Ubuntu	8m 23s
Lint check	4m 21s
Pytest MacOS (3.10)	6m 33s
Notebook formatting	13s
Notebook Tests against PR	9m 54s
Pytest MacOS (3.11)	8m 1s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	49s
Pytest MacOS (3.12)	9m 57s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	47s
Check consistency of requirements	26s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	56s
Pytest Ubuntu (3.10)	6m 2s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	48s
Pytest Ubuntu with NumPy-2 (3.10)	6m 43s
Pytest Ubuntu (3.11)	5m 50s
Pytest Ubuntu with NumPy-2 (3.11)	6m 13s
Pytest Ubuntu (3.12)	6m 22s
Shell check	6s
Bundle file consistency	48s
Pytest Ubuntu with NumPy-2 (3.12)	6m 49s
Typescript tests coverage	36s
Typescript lint check	34s
Typescript tests	42s
Pytest Windows (3.10)	9m 47s
Pytest Windows (3.11)	9m 48s
Pytest Windows (3.12)	10m 38s
	2h 18m 47s

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