JIT

GH-134584: Remove redundant refcount from `_STORE_ATTR_SLOT` #4606

Job	Run time
Interpreter (Debug)	10m 24s
Free-Threaded (Debug) (21)	16m 8s
JIT with tail calling interpreter (21)	4m 17s
JIT without optimizations (Debug) (21)	12m 28s
x86_64-apple-darwin/clang (Release)	23m 24s
i686-pc-windows-msvc/msvc (Release)	13m 18s
x86_64-apple-darwin/clang (Debug)	22m 4s
x86_64-pc-windows-msvc/msvc (Debug)	24m 35s
aarch64-pc-windows-msvc/msvc (Release)	18m 25s
x86_64-pc-windows-msvc/msvc (Release)	13m 32s
aarch64-apple-darwin/clang (Release)	10m 19s
aarch64-pc-windows-msvc/msvc (Debug)	23m 3s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 20s
aarch64-unknown-linux-gnu/gcc (Release)	6m 39s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 19s
x86_64-unknown-linux-gnu/gcc (Release)	7m 41s
i686-pc-windows-msvc/msvc (Debug)	24m 57s
aarch64-apple-darwin/clang (Debug)	12m 18s
	4h 24m 11s

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