add request limiter when polling for results #15847

Job	Run time
Build protos	13s
Doc test	1m 47s
Coverage check	10m 21s
Changed files test	1m 16s
Format check	14s
Isolated pytest Ubuntu	7m 45s
Lint check	4m 27s
Pytest MacOS (3.10)	8m 36s
Notebook formatting	12s
Pytest MacOS (3.11)	9m 24s
Notebook Tests against PR	9m 59s
Pytest MacOS (3.12)	11m 0s
Type check	1m 25s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	46s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	55s
Packaging test	1m 14s
Check consistency of requirements	21s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	49s
Pytest Ubuntu (3.10)	6m 4s
Pytest Ubuntu with NumPy-2 (3.10)	5m 54s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	44s
Pytest Ubuntu (3.11)	5m 18s
Pytest Ubuntu with NumPy-2 (3.11)	5m 16s
Pytest Ubuntu (3.12)	5m 52s
Misc check	4s
Pytest Ubuntu with NumPy-2 (3.12)	6m 49s
Shell check	8s
Bundle file consistency	43s
Typescript tests coverage	31s
Typescript lint check	29s
Typescript tests	38s
Pytest Windows (3.10)	7m 49s
Pytest Windows (3.11)	7m 12s
Pytest Windows (3.12)	10m 14s
	2h 14m 29s

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