Rollup merge of rust-lang#107473 - rustbot:docs-update, r=ehuss

Update books

## rust-lang/book

2 commits in 2cd1b5593d26dc6a03c20f8619187ad4b2485552..f2a78f64b668f63f581203c6bac509903f7c00ee
2023-01-23 18:19:32 UTC to 2023-01-23 15:15:22 UTC

- Change CamelCase to UpperCamelCase
- Fix broken link to the No Starch Press version (rust-lang/book#3513)

## rust-embedded/book

3 commits in 19f798d448835a4888e3b3eae7fe69f1d61d8681..f1a4614aa41cc544b91b79760a709e113f3451d7
2023-01-26 15:21:58 UTC to 2023-01-18 07:51:06 UTC

- Fix typo in the registers.md (rust-embedded/book#343)
- Macports install instructions (rust-embedded/book#342)
- remove extern crate statements (rust-embedded/book#340)

## rust-lang/nomicon

2 commits in 960d610e7f33889a2577f5f17c26f0d5c82b30df..bd1829d235296952bf72ca55635e360584b8805e
2023-01-18 03:14:58 UTC to 2023-01-17 20:05:07 UTC

- Copyedits to FFI and unwinding section (rust-lang/nomicon#396)
- Fix typo in dropck documentation (rust-lang/nomicon#397)

## rust-lang/reference

2 commits in 2cb0ed9ba56360949f492f9866afe8c293f9f9da..22882fb3f7b4d69fdc0d1731e8b9cfcb6910537d
2023-01-23 13:21:28 UTC to 2023-01-20 18:38:44 UTC

- Fix typo “assigment” (…and more) (rust-lang/reference#1322)
- Syntax correction for trait-bounds.md (rust-lang/reference#1319)

## rust-lang/rust-by-example

1 commits in a9fb7d13eadfcc5f457962731f105b97f9a7474a..134376872e8c387ef369507e0ee9b5a0e3272718
2023-01-25 11:56:37 UTC to 2023-01-25 11:56:37 UTC

- update std_misc/file/create.md: fixed grammar (rust-lang/rust-by-example#1668)

## rust-lang/rustc-dev-guide

12 commits in 7352353..e359ee2
2023-01-30 15:08:16 UTC to 2023-01-17 12:44:19 UTC

- New infcx usage (rust-lang/rustc-dev-guide#1571)
- Create a chapter for AST validation (rust-lang/rustc-dev-guide#1524)
- Use ephemeral PAT for linkcheck (rust-lang/rustc-dev-guide#1569)
- add section for the new trait solver (rust-lang/rustc-dev-guide#1551)
- version 5 is now not supported (rust-lang/rustc-dev-guide#1568)
- there are still no locale bundles (rust-lang/rustc-dev-guide#1567)
- bumpt date-check examples to current month (rust-lang/rustc-dev-guide#1566)
- Update hir.md (rust-lang/rustc-dev-guide#1565)
- rustc_typeck exists no more (rust-lang/rustc-dev-guide#1559)
- Correct tests misplacement (rust-lang/rustc-dev-guide#1564)
- Update resolution.md (rust-lang/rustc-dev-guide#1561)
- Update asm.md  (rust-lang/rustc-dev-guide#1560)