Rollup of 8 pull requests

[matthiaskrgr]

Successful merges:

• compiler: apply clippy::clone_on_ref_ptr for CI #131375 (compiler: apply clippy::clone_on_ref_ptr for CI)
• Stabilize if_let_rescope #131984 (Stabilize if_let_rescope)
• Ensure that resume arg outlives region bound for coroutines #132151 (Ensure that resume arg outlives region bound for coroutines)
• [StableMIR] A few fixes to pretty printing #132161 ([StableMIR] A few fixes to pretty printing)
• Collect item bounds for RPITITs from trait where clauses just like associated types #132194 (Collect item bounds for RPITITs from trait where clauses just like associated types)
• Split boxed.rs into a few modules #132233 (Split boxed.rs into a few modules)
• clarified doc for std::fs::OpenOptions.truncate() #132270 (clarified doc for std::fs::OpenOptions.truncate())
• Remove my ping for rustdoc/clean/types.rs #132284 (Remove my ping for rustdoc/clean/types.rs)

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