Automatic toolchain upgrade to nightly-2025-11-25

[github-actions]

Update Rust toolchain from nightly-2025-11-24 to nightly-2025-11-25 without any other source changes.

[github-actions]

This is an automatically generated pull request. If any of the CI checks fail,
manual intervention is required. In such a case, review the changes at
https://github.com/rust-lang/rust from
rust-lang/rust@c23ed3e up to
rust-lang/rust@c871d09. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/c871d09d1c Auto merge of #149276 - matthiaskrgr:rollup-wlrpdrr, r=matthiaskrgr

rust-lang/rust@5ec55d3afd Rollup merge of #149275 - KeyWeeUsr:fix-solid-os-typo, r=bjorn3
rust-lang/rust@738e87282e Rollup merge of #149255 - reddevilmidzy:let-else, r=Kivooeo
rust-lang/rust@b9fdf6a0d8 Rollup merge of #149252 - madsmtm:miri-jemalloc, r=RalfJung
rust-lang/rust@a68aff6a53 Rollup merge of #149208 - GuillaumeGomez:less-unwraps, r=yotamofek,lolbinarycat
rust-lang/rust@ade1581dc7 Rollup merge of #149201 - chenyukang:fix-str-format, r=Kivooeo
rust-lang/rust@be49e00109 Rollup merge of #148234 - notriddle:doc-cci, r=GuillaumeGomez
rust-lang/rust@b64df9d101 Auto merge of #149265 - lnicola:sync-from-ra, r=lnicola
rust-lang/rust@6173a56716 Fix missing double-quote in std::env::consts::OS values
rust-lang/rust@42ec52baba Auto merge of #149258 - reddevilmidzy:ice, r=Kivooeo
rust-lang/rust@522e47fd60 miri: use tikv-jemalloc-sys from sysroot
rust-lang/rust@eb72e6764e Fix None handling for simplify_type in for_each_relevant_impl
rust-lang/rust@69408a877e Auto merge of #147760 - Walnut356:gnu_enum_viz, r=Mark-Simulacrum,saethlin
rust-lang/rust@af1c2b277d update tests
rust-lang/rust@d3e4dd29a8 Use let...else consistently in user-facing diagnostics
rust-lang/rust@95b031e7a8 align gnu enum output with msvc enum output
rust-lang/rust@d3e1ccdf40 Auto merge of #149247 - jhpratt:rollup-mq8f5wo, r=jhpratt