feat: expose simdutf bindings behind cargo feature #7110

Job	Run time
release aarch64-pc-windows-msvc	12m 45s
asan aarch64-apple-darwin	20m 5s
debug x86_64-apple-darwin	20m 12s
release x86_64-unknown-linux-gnu	8m 32s
debug aarch64-apple-darwin	13m 54s
release x86_64-apple-darwin	12m 26s
release aarch64-apple-darwin	9m 25s
release x86_64-apple-darwin ptrcomp	13m 46s
debug x86_64-apple-darwin ptrcomp	16m 59s
debug aarch64-apple-darwin ptrcomp	14m 27s
debug x86_64-unknown-linux-gnu ptrcomp	15m 13s
release aarch64-apple-darwin ptrcomp	12m 54s
debug x86_64-unknown-linux-gnu	14m 28s
release x86_64-unknown-linux-gnu ptrcomp	7m 55s
release aarch64-unknown-linux-gnu	14m 6s
release x86_64-pc-windows-msvc	9m 44s
debug aarch64-unknown-linux-gnu	28m 18s
test aarch64-pc-windows-msvc	4m 29s
publish	-1s
	4h 9m 37s

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