gh-116749: Disable GIL by default in free-threaded build (#118295) #6

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	17m 33s
i686-pc-windows-msvc/msvc (Release)	22m 37s
x86_64-pc-windows-msvc/msvc (Debug)	17m 30s
x86_64-pc-windows-msvc/msvc (Release)	22m 48s
aarch64-pc-windows-msvc/msvc (Debug)	5m 12s
aarch64-pc-windows-msvc/msvc (Release)	6m 8s
x86_64-apple-darwin/clang (Debug)	14m 10s
x86_64-apple-darwin/clang (Release)	13m 29s
aarch64-apple-darwin/clang (Debug)	8m 36s
aarch64-apple-darwin/clang (Release)	13m 42s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 58s
x86_64-unknown-linux-gnu/gcc (Release)	17m 17s
x86_64-unknown-linux-gnu/clang (Debug)	8m 19s
x86_64-unknown-linux-gnu/clang (Release)	13m 57s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 7m 12s
aarch64-unknown-linux-gnu/gcc (Release)	51m 8s
aarch64-unknown-linux-gnu/clang (Debug)	58m 46s
aarch64-unknown-linux-gnu/clang (Release)	34m 17s
	6h 40m 39s

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