Auto merge of #135682 - matthiaskrgr:rollup-cl7zlt1, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #133700 (const-eval: detect more pointers as definitely not-null)
 - #135290 (Encode constraints that hold at all points as logical edges in location-sensitive polonius)
 - #135478 (Run clippy for rustc_codegen_gcc on CI)
 - #135583 (Move `std::pipe::*` into `std::io`)
 - #135612 (Include x scripts in tarballs)
 - #135624 (ci: mirror buildkit image to ghcr)
 - #135661 (Stabilize `float_next_up_down`)

r? `@ghost`
`@rustbot` modify labels: rollup