Auto merge of #103264 - matthiaskrgr:rollup-3ja4spo, r=matthiaskrgr
Auto merge of #103264 - matthiaskrgr:rollup-3ja4spo, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #103211 (rustdoc: remove class name `location` from sidebar sibling nav)
 - #103223 (Use already checked RHS ty for LHS deref suggestions)
 - #103237 (Clean up codeblock-tooltip rustdoc-gui test)
 - #103239 (Allow #[unstable] impls for fn() with unstable abi.)
 - #103246 (Mark `rust-analyzer` as a host-only tool)
 - #103257 (rustdoc: move `setting-line` color CSS to settings.css)
 - #103258 (Make miri read_dir test a little more robust)

Failed merges:

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

rust-lang/miri,rust-lang/miri,rust-lang/miri,rust-lang/miri