gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API #97739

Job	Run time
Check for source changes	12s
Check if generated files are up to date	3m 17s
Address sanitizer	3m 19s
Ubuntu SSL tests with OpenSSL (1.1.1w)	1m 58s
CIFuzz (address)	2m 57s
Docs	0s
Hypothesis tests on Ubuntu	3m 17s
CIFuzz (undefined)	2m 59s
CIFuzz (memory)	2m 59s
Ubuntu SSL tests with OpenSSL (3.0.11)	2m 14s
Ubuntu SSL tests with OpenSSL (3.1.3)	2m 1s
Windows / build and test (x86)	2m 53s
macOS / build and test	2m 48s
Windows / build and test (x64)	2m 53s
Windows / build (arm64)	2m 49s
Windows (free-threaded) / build and test (x64)	2m 54s
Windows (free-threaded) / build (arm64)	2m 55s
Windows (free-threaded) / build and test (x86)	2m 54s
macOS (free-threaded) / build and test	3m 10s
Ubuntu / build and test	3m 20s
Ubuntu (free-threaded) / build and test	3m 17s
All required checks pass	4s
	55m 10s

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