Automatic toolchain upgrade to nightly-2025-10-22

[github-actions]

Update Rust toolchain from nightly-2025-10-21 to nightly-2025-10-22 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@4068baf up to
rust-lang/rust@695857b. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/695857bc3f Auto merge of #147943 - matthiaskrgr:rollup-rd0gb6y, r=matthiaskrgr

rust-lang/rust@8baad706b1 Rollup merge of #147934 - Zalathar:directive, r=jieyouxu
rust-lang/rust@e2110d8463 Rollup merge of #147930 - thaliaarchi:motor-set-times, r=joboet
rust-lang/rust@9671020233 Rollup merge of #147929 - Zalathar:target, r=jieyouxu
rust-lang/rust@869fb4679f Auto merge of #147723 - ChayimFriedman2:ns-types, r=BoxyUwU
rust-lang/rust@19abae728e Auto merge of #147922 - Kivooeo:dead-link, r=petrochenkov
rust-lang/rust@cf8346dd4c Auto merge of #147476 - ehuss:cold-attribute-test, r=chenyukang
rust-lang/rust@860a84c04a Remove bad-directive detection that has been subsumed by the allowlist
rust-lang/rust@891b8475bd Remove a confused use of revision from update_pass_mode
rust-lang/rust@e821cb8dd9 Auto merge of #147928 - Zalathar:rollup-2lmpajs, r=Zalathar
rust-lang/rust@b39fb327cb motor: Add new set_times stubs
rust-lang/rust@a58115426e Don't set TARGET for non run-make tests
rust-lang/rust@ff0c0967c1 Add support for //@ ignore-i586
rust-lang/rust@866ed3a5ad Rollup merge of #147924 - tshepang:rdg-sync, r=tshepang
rust-lang/rust@7b0e3eb0a8 Rollup merge of #147916 - rustbot:docs-update, r=ehuss
rust-lang/rust@68bcd9020a Rollup merge of #147860 - lolbinarycat:rustdoc-search-relax-ident-rules, r=notriddle,GuillaumeGomez
rust-lang/rust@8cd557d4ec Rollup merge of #147800 - makai410:rp-cache-obj, r=celinval
rust-lang/rust@79e46694de Rollup merge of #147125 - connortsui20:poison-once-remove, r=tgross35
rust-lang/rust@63dcdf7ca8 Auto merge of #147867 - cjgillot:invalidate-cleanup, r=tmiasko
rust-lang/rust@c7a635f33c Auto merge of #147910 - joboet:wait_timeout-spurious-test, r=ChrisDenton