Rollup merge of rust-lang#136825 - rustbot:docs-update, r=ehuss

Update books

## rust-lang/edition-guide

1 commits in f56aecc3b036dff16404b525a83b00f911b9bbea..8dbdda7cae4fa030f09f8f5b63994d4d1dde74b9
2025-02-06 20:06:58 UTC to 2025-02-06 20:06:58 UTC

- Correct spelling error in `static-mut-references.md` (rust-lang/edition-guide#358)

## rust-embedded/book

1 commits in ddbf1b4e2858fedb71b7c42eb15c4576517dc125..0b8219ac23a3e09464e4e0166c768cf1c4bba0d5
2025-02-07 08:26:59 UTC to 2025-02-07 08:26:59 UTC

- Update gcc toolchain download link for windows (rust-embedded/book#384)

## rust-lang/reference

3 commits in 4249fb411dd27f945e2881eb0378044b94cee06f..de2d5289e45506b11dd652bef4f99de64be70e1c
2025-02-08 22:12:20 UTC to 2025-02-06 19:02:01 UTC

- Add trait_upcasting related languages changes (rust-lang/reference#1622)
- fixup `»` insertion for rules (rust-lang/reference#1730)
- doc `cenum_impl_drop_cast` (rust-lang/reference#1713)

## rust-lang/rust-by-example

2 commits in 743766929f1e53e72fab74394ae259bbfb4a7619..66543bbc5b7dbd4e679092c07ae06ba6c73fd912
2025-02-06 12:38:08 UTC to 2025-02-04 01:46:09 UTC

- Add more examples @ drop.md (rust-lang/rust-by-example#1912)
- es translation to 3100 (rust-lang/rust-by-example#1911)

Author: matthiaskrgr