JIT

gh-137638: Use macos-15-intel in GitHub Actions #4098

Job	Run time
Interpreter (Debug)	9m 51s
Free-Threaded (Debug) (19)	17m 38s
JIT without optimizations (Debug) (19)	10m 49s
i686-pc-windows-msvc/msvc (Release)	14m 2s
aarch64-pc-windows-msvc/msvc (Release)	19m 20s
aarch64-pc-windows-msvc/msvc (Debug)	24m 20s
x86_64-apple-darwin/clang (Release)	29m 23s
x86_64-pc-windows-msvc/msvc (Release)	14m 42s
x86_64-pc-windows-msvc/msvc (Debug)	22m 42s
x86_64-apple-darwin/clang (Debug)	33m 20s
i686-pc-windows-msvc/msvc (Debug)	22m 40s
aarch64-apple-darwin/clang (Debug)	11m 24s
aarch64-apple-darwin/clang (Release)	12m 51s
aarch64-unknown-linux-gnu/gcc (Release)	5m 46s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 8s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 25s
x86_64-unknown-linux-gnu/gcc (Release)	7m 47s
	4h 36m 8s

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