Merge branch 'gh-113964-thread-shutdown' into nogil-integration #36

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	16m 51s
i686-pc-windows-msvc/msvc (Release)	21m 7s
x86_64-pc-windows-msvc/msvc (Debug)	16m 42s
x86_64-pc-windows-msvc/msvc (Release)	21m 0s
aarch64-pc-windows-msvc/msvc (Debug)	6m 26s
aarch64-pc-windows-msvc/msvc (Release)	6m 16s
x86_64-apple-darwin/clang (Debug)	15m 58s
x86_64-apple-darwin/clang (Release)	21m 5s
aarch64-apple-darwin/clang (Debug)	8m 35s
aarch64-apple-darwin/clang (Release)	13m 48s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 34s
x86_64-unknown-linux-gnu/gcc (Release)	17m 21s
x86_64-unknown-linux-gnu/clang (Debug)	7m 49s
x86_64-unknown-linux-gnu/clang (Release)	13m 31s
aarch64-unknown-linux-gnu/gcc (Debug)	58m 22s
aarch64-unknown-linux-gnu/gcc (Release)	46m 27s
aarch64-unknown-linux-gnu/clang (Debug)	54m 22s
aarch64-unknown-linux-gnu/clang (Release)	31m 35s
	6h 24m 49s

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