JIT

GH-134584: Remove redundant refcount for `BINARY_OP_SUBSCR_STR_INT` #4722

Job	Run time
Interpreter (Debug)	10m 14s
JIT without optimizations (Debug) (21)	12m 26s
JIT with tail calling interpreter (21)	4m 7s
Free-Threaded (Debug) (21)	16m 53s
x86_64-pc-windows-msvc/msvc (Release)	14m 19s
i686-pc-windows-msvc/msvc (Release)	13m 33s
aarch64-pc-windows-msvc/msvc (Debug)	24m 38s
i686-pc-windows-msvc/msvc (Debug)	25m 12s
aarch64-pc-windows-msvc/msvc (Release)	17m 34s
aarch64-apple-darwin/clang (Release)	12m 32s
x86_64-apple-darwin/clang (Release)	23m 23s
aarch64-unknown-linux-gnu/gcc (Release)	6m 39s
aarch64-apple-darwin/clang (Debug)	15m 47s
x86_64-pc-windows-msvc/msvc (Debug)	21m 50s
x86_64-unknown-linux-gnu/gcc (Release)	8m 26s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 20s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 13s
x86_64-apple-darwin/clang (Debug)	26m 25s
	4h 34m 31s

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