Support TUnits in circuit serialization #15896

Job	Run time
Type check	1m 22s
Packaging test	1m 10s
Misc check	7s
Format check	12s
Changed files test	1m 27s
Doc test	1m 50s
Isolated pytest Ubuntu	8m 32s
Lint check	4m 15s
Notebook formatting	10s
Shell check	6s
Pytest MacOS (3.10)	6m 32s
Pytest MacOS (3.11)	9m 6s
Coverage check	10m 14s
Pytest MacOS (3.12)	14m 20s
Build protos	16s
Check consistency of requirements	22s
Pytest Ubuntu (3.10)	5m 39s
Pytest Ubuntu with NumPy-2 (3.10)	6m 13s
Pytest Ubuntu (3.11)	5m 41s
Pytest Ubuntu with NumPy-2 (3.11)	5m 47s
Pytest Ubuntu (3.12)	5m 33s
Pytest Windows (3.10)	6m 40s
Pytest Ubuntu with NumPy-2 (3.12)	6m 23s
Pytest Windows (3.11)	8m 35s
Notebook Tests against PR	10m 48s
Pytest Windows (3.12)	6m 32s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	7m 51s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	4m 44s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	7m 37s
Bundle file consistency	42s
Typescript tests coverage	35s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	5m 12s
Typescript tests	39s
Typescript lint check	41s
	2h 35m 53s

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