Auto merge of #128866 - scottmcm:update-stdarch, r=tgross35

Update stdarch submodule

To pick up https://github.com/rust-lang/stdarch/pull/1624 and unblock removing support for non-array-based-simd (https://github.com/rust-lang/compiler-team/issues/621).
This commit is contained in:
bors
2024-08-21 08:18:36 +00:00