JIT

Default GHA permissions to `contents: read` #6008

Job	Run time
JIT without optimizations (Debug)	3m 44s
Interpreter (Debug)	12m 27s
Free-Threaded (Debug)	3m 51s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 47s
JIT with tail calling interpreter	4m 57s
aarch64-unknown-linux-gnu/gcc (Release)	7m 10s
aarch64-apple-darwin/clang (Release)	10m 57s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 10s
aarch64-apple-darwin/clang (Debug)	16m 21s
aarch64-pc-windows-msvc/msvc (Release)	18m 8s
x86_64-apple-darwin/clang (Release)	30m 18s
x86_64-unknown-linux-gnu/gcc (Release)	9m 0s
x86_64-pc-windows-msvc/msvc (Release)	15m 41s
x86_64-apple-darwin/clang (Debug)	30m 57s
i686-pc-windows-msvc/msvc (Release)	15m 17s
x86_64-pc-windows-msvc/msvc (Debug)	29m 29s
aarch64-pc-windows-msvc/msvc (Debug)	30m 37s
i686-pc-windows-msvc/msvc (Debug)	29m 20s
	4h 52m 11s

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