Add magic square game #17303

Job	Run time
Format check	11s
Misc check	3s
Build protos	14s
Changed files test	1m 10s
Coverage check	11m 54s
Doc test	1m 37s
Lint check	2m 38s
Type check	1m 31s
Notebook formatting	13s
Isolated pytest Ubuntu	8m 35s
Packaging test	1m 16s
Check consistency of requirements	22s
Pytest Ubuntu (3.10)	7m 2s
Pytest Ubuntu with NumPy-2 (3.10)	6m 16s
Pytest Ubuntu (3.11)	5m 56s
Shell check	9s
Pytest Ubuntu with NumPy-2 (3.11)	6m 1s
Pytest Ubuntu (3.12)	6m 46s
Pytest MacOS (3.10)	6m 34s
Pytest Ubuntu with NumPy-2 (3.12)	6m 34s
Pytest MacOS (3.11)	5m 24s
Pytest Ubuntu with NumPy-2 (3.13)	6m 25s
Notebook Tests against PR	10m 34s
Pytest MacOS (3.12)	6m 55s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	53s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	50s
Bundle file consistency	53s
Typescript lint check	35s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	51s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	44s
Typescript tests	38s
Pytest Windows (3.10)	8m 18s
Pytest Windows (3.11)	8m 37s
Typescript tests coverage	38s
Pytest Windows (3.12)	8m 13s
	2h 15m 30s

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