JIT

Support using 3.14 and 3.15 for generation scripts #162

Job	Run time
Interpreter (Debug)	8m 15s
Free-Threaded (Debug)	14m 47s
aarch64-pc-windows-msvc/msvc (Release)	5m 55s
aarch64-pc-windows-msvc/msvc (Debug)	4m 22s
i686-pc-windows-msvc/msvc (Debug)	17m 28s
x86_64-apple-darwin/clang (Release)	30m 6s
x86_64-apple-darwin/clang (Debug)	13m 38s
x86_64-pc-windows-msvc/msvc (Release)	20m 24s
x86_64-pc-windows-msvc/msvc (Debug)	17m 29s
aarch64-apple-darwin/clang (Debug)	8m 58s
aarch64-apple-darwin/clang (Release)	16m 6s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 30m 17s
x86_64-unknown-linux-gnu/clang (Debug)	8m 25s
aarch64-unknown-linux-gnu/gcc (Release)	1h 27m 54s
i686-pc-windows-msvc/msvc (Release)	19m 34s
x86_64-unknown-linux-gnu/gcc (Release)	18m 28s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 23s
x86_64-unknown-linux-gnu/clang (Release)	14m 52s
aarch64-unknown-linux-gnu/clang (Debug)	1h 24m 15s
aarch64-unknown-linux-gnu/clang (Release)	43m 15s
	8h 53m 51s

Provide feedback