Rollup merge of rust-lang#121639 - rustbot:docs-update, r=ehuss

Update books

## rust-lang/book

1 commits in 71352deb20727b4dda9ebfe8182709d5bf17dfea..19c40bfd2d57641d962f3119a1c343355f1b3c5e
2024-02-19 20:39:35 UTC to 2024-02-19 20:39:35 UTC

- Rust upgrades (rust-lang/book#3844)

## rust-lang/edition-guide

3 commits in 76bd48a273a0e0413a3bf22c699112d41497b99e..e1eead1181a691e56299294d5f1d62fe7a26d317
2024-02-24 21:15:28 UTC to 2024-02-17 21:44:36 UTC

- Rename static_mut_refs (rust-lang/edition-guide#293)
- Add 2024 prelude (rust-lang/edition-guide#292)
- Add some more initial stub docs for 2024. (rust-lang/edition-guide#291)

## rust-lang/reference

5 commits in 8227666de13f6e7bb32dea9dc42e841adb5ce4b7..3417f866932cb1c09c6be0f31d2a02ee01b4b95d
2024-02-25 19:37:14 UTC to 2024-02-15 13:28:59 UTC

- Document `target_abi` (rust-lang/reference#1446)
- Add `rust-toolchain.toml` and revise README (rust-lang/reference#1474)
- Clarify semantics of the various pointer to pointer casts (rust-lang/reference#1451)
- Update aarch64 target feature docs to match LLVM (rust-lang/reference#1470)
- Fix grammar for TypePathFn (rust-lang/reference#1281)

## rust-lang/rust-by-example

4 commits in e188d5d466f7f3ff9f1d518393235f4fe951be46..57f1e708f5d5850562bc385aaf610e6af14d6ec8
2024-02-24 18:31:19 UTC to 2024-02-14 13:06:53 UTC

- bug: fix typo (rust-lang/rust-by-example#1822)
- Fix typo in attribute.md (rust-lang/rust-by-example#1818)
- Add Japanese translation (rust-lang/rust-by-example#1794)
- Remove unused .travis.yml file (rust-lang/rust-by-example#1816)

## rust-lang/rustc-dev-guide

9 commits in 1f30cc7..7b0ef5b
2024-02-22 19:15:52 UTC to 2024-02-13 12:13:06 UTC

- Update compiletest directives to be in `ui_test` style `//`@`` (rust-lang/rustc-dev-guide#1895)
- Add notes on tweak rust-analyzer.check.overrideCommand (rust-lang/rustc-dev-guide#1890)
- Fix more links (rust-lang/rustc-dev-guide#1884)
- Remove references to -Z ast-json and -Z ast-json-noexpand (rust-lang/rustc-dev-guide#1893)
- Specify ui test suite directives and add note on ignore-tidy directives (rust-lang/rustc-dev-guide#1892)
- Update docs about ui tests now using `//`@`` headers (rust-lang/rustc-dev-guide#1885)
- Make git rebase commands more bulletproof (rust-lang/rustc-dev-guide#1889)
- updating-llvm.md: command does not work (rust-lang/rustc-dev-guide#1887)
- fix update llvm build command (rust-lang/rustc-dev-guide#1886)

Author: matthiaskrgr