Auto merge of #95958 - jhpratt:bump-stdarch, r=Dylan-DPC

Update stdarch

library/stdarch bcbe0106...d215afe9 (7):
  - Add the rdm target feature to the sqrdmlsh intrinsic. (rust-lang/stdarch#1285)
  - Remove use of `#[rustc_deprecated]`
  - Remove feature gates for stabilized features
  - Change remaining _undefined_ functions to zero-init
  - Use SPDX license format and update packed_simd crate link (rust-lang/stdarch#1297)
  - Fix broken links (rust-lang/stdarch#1294)
  - Import the asm macro in std_detect (rust-lang/stdarch#1290)