Auto merge of #77606 - JohnTitor:rollup-7rgahdt, r=JohnTitor

Rollup of 13 pull requests

Successful merges:

 - #76388 (Add a note about the panic behavior of math operations on time objects)
 - #76855 (Revamp rustdoc docs about documentation using `cfg`)
 - #76995 (Reduce boilerplate with the matches! macro)
 - #77228 (Add missing examples for MaybeUninit)
 - #77528 (Avoid unchecked casts in net parser)
 - #77534 (Disallow overriding forbid in same scope)
 - #77555 (Allow anyone to set regression labels)
 - #77558 (Rename bootstrap/defaults/{config.toml.PROFILE => config.PROFILE.toml})
 - #77559 (Fix rustdoc warnings about invalid Rust syntax)
 - #77560 (Fix LitKind's byte buffer to use refcounted slice)
 - #77573 (Hint doc use convert::identity relative link)
 - #77587 (Fix span for unicode escape suggestion.)
 - #77591 (Record `expansion_that_defined` into crate metadata)

Failed merges:

r? `@ghost`