JIT

GH-134584: Remove redundant refcount for `BINARY_OP_SUBSCR_STR_INT` (… #4723

Job	Run time
Interpreter (Debug)	11m 24s
JIT without optimizations (Debug) (21)	13m 7s
JIT with tail calling interpreter (21)	3m 25s
Free-Threaded (Debug) (21)	16m 10s
x86_64-pc-windows-msvc/msvc (Debug)	24m 29s
i686-pc-windows-msvc/msvc (Release)	13m 37s
x86_64-apple-darwin/clang (Debug)	28m 43s
i686-pc-windows-msvc/msvc (Debug)	24m 34s
x86_64-apple-darwin/clang (Release)	21m 45s
aarch64-pc-windows-msvc/msvc (Debug)	25m 35s
aarch64-apple-darwin/clang (Release)	12m 58s
aarch64-pc-windows-msvc/msvc (Release)	17m 15s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 59s
x86_64-pc-windows-msvc/msvc (Release)	14m 10s
aarch64-apple-darwin/clang (Debug)	14m 59s
x86_64-unknown-linux-gnu/gcc (Release)	8m 30s
aarch64-unknown-linux-gnu/gcc (Release)	7m 1s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 16s
	4h 37m 57s

Provide feedback