JIT

gh-145098: Use `macos-15-intel` instead of unstable `macos-26-intel` … #5875

Job	Run time
Interpreter (Debug)	12m 13s
JIT with tail calling interpreter	4m 50s
x86_64-apple-darwin/clang (Debug)	52m 6s
JIT without optimizations (Debug)	3m 42s
Free-Threaded (Debug)	3m 48s
aarch64-apple-darwin/clang (Debug)	15m 7s
aarch64-apple-darwin/clang (Release)	12m 27s
x86_64-apple-darwin/clang (Release)	24m 18s
x86_64-unknown-linux-gnu/gcc (Release)	8m 53s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 54s
aarch64-unknown-linux-gnu/gcc (Release)	6m 57s
x86_64-pc-windows-msvc/msvc (Debug)	28m 34s
i686-pc-windows-msvc/msvc (Debug)	20m 48s
i686-pc-windows-msvc/msvc (Release)	15m 17s
x86_64-pc-windows-msvc/msvc (Release)	15m 55s
aarch64-pc-windows-msvc/msvc (Debug)	26m 9s
aarch64-pc-windows-msvc/msvc (Release)	18m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 15s
	4h 52m 27s

Provide feedback