JIT

GH-133231: Changes to executor management to support proposed `sys._jit` module #3388

Job	Run time
Interpreter (Debug)	9m 12s
i686-pc-windows-msvc/msvc (Debug)	20m 20s
i686-pc-windows-msvc/msvc (Release)	11m 2s
x86_64-pc-windows-msvc/msvc (Debug)	20m 12s
x86_64-pc-windows-msvc/msvc (Release)	11m 18s
aarch64-pc-windows-msvc/msvc (Debug)	20m 56s
aarch64-pc-windows-msvc/msvc (Release)	18m 30s
x86_64-apple-darwin/clang (Debug)	13m 38s
x86_64-apple-darwin/clang (Release)	11m 59s
aarch64-apple-darwin/clang (Debug)	9m 48s
aarch64-apple-darwin/clang (Release)	8m 47s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 8s
x86_64-unknown-linux-gnu/gcc (Release)	6m 58s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 56s
aarch64-unknown-linux-gnu/gcc (Release)	6m 26s
	3h 7m 10s

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