Rollup merge of #105910 - rustbot:docs-update, r=ehuss

Update books

## rust-lang/nomicon

1 commits in ae406aa5287a9e025abb72343aaceec98458c117..dd37e21ccee43918ed18a71581bb2af537ffe4fc
2022-12-09 22:04:38 UTC to 2022-12-09 22:04:38 UTC

- Update lifetime-mismatch.md (rust-lang/nomicon#387)

## rust-lang/rust-by-example

3 commits in a9869b4a3c4cac3bc6099b41f088679e268400b8..995df09b65c582eb6290ab7ea5d9485983eb4c37
2022-12-08 23:29:31 UTC to 2022-12-08 23:28:31 UTC

- Add documentation for let-else. (rust-lang/rust-by-example#1640)
- Added missing space in comment (rust-lang/rust-by-example#1644)
- Clean up Chapter 1 (Hello World) (rust-lang/rust-by-example#1650)

## rust-lang/rustc-dev-guide

8 commits in e269950a57fa6fcda356426545fb5aa3691a7ced..8b42eb5f57d3d8ed2257a22d0e850d9db52afed3
2022-12-17 22:41:27 UTC to 2022-12-07 05:42:57 UTC

- Add -Ztrack-diagnostics information (rust-lang/rustc-dev-guide#1506)
- Add documentation for LLVM KCFI support (rust-lang/rustc-dev-guide#1529)
- Replace references to NoLandingPads in MIR pass documents (rust-lang/rustc-dev-guide#1531)
- share same link (rust-lang/rustc-dev-guide#1530)
- chore: Update `actions/github-script` to v6 (rust-lang/rustc-dev-guide#1521)
- fix: Fix broken links (rust-lang/rustc-dev-guide#1522)
- Remove TyS (rust-lang/rustc-dev-guide#1526)
- Fix small inaccuracy in monomorph page (rust-lang/rustc-dev-guide#1525)

src/doc/nomicon

@@ -1 +1 @@
-Subproject commit ae406aa5287a9e025abb72343aaceec98458c117
+Subproject commit dd37e21ccee43918ed18a71581bb2af537ffe4fc

src/doc/rust-by-example

@@ -1 +1 @@
-Subproject commit a9869b4a3c4cac3bc6099b41f088679e268400b8
+Subproject commit 995df09b65c582eb6290ab7ea5d9485983eb4c37

src/doc/rustc-dev-guide

@@ -1 +1 @@
-Subproject commit e269950a57fa6fcda356426545fb5aa3691a7ced
+Subproject commit 8b42eb5f57d3d8ed2257a22d0e850d9db52afed3