Add magic square game #17324

Job	Run time
Misc check	4s
Doc test	1m 27s
Changed files test	1m 1s
Format check	11s
Lint check	2m 38s
Type check	1m 27s
Packaging test	1m 12s
Build protos	13s
Coverage check	12m 4s
Isolated pytest Ubuntu	8m 38s
Notebook formatting	7s
Check consistency of requirements	22s
Pytest Ubuntu (3.10)	6m 14s
Pytest Ubuntu (3.11)	5m 57s
Pytest Ubuntu with NumPy-2 (3.10)	6m 45s
Pytest Ubuntu (3.12)	7m 7s
Shell check	7s
Pytest Ubuntu with NumPy-2 (3.11)	6m 40s
Pytest Windows (3.10)	8m 57s
Pytest Ubuntu with NumPy-2 (3.12)	6m 42s
Pytest Windows (3.11)	8m 25s
Pytest Ubuntu with NumPy-2 (3.13)	6m 18s
Pytest Windows (3.12)	8m 58s
Pytest MacOS (3.10)	8m 26s
Pytest MacOS (3.11)	8m 50s
Notebook Tests against PR	9m 58s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	47s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	48s
Pytest MacOS (3.12)	11m 9s
Bundle file consistency	57s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	45s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	42s
Typescript tests coverage	33s
Typescript lint check	32s
Typescript tests	38s
	2h 25m 39s

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