Rollup merge of #97144 - samziz:patch-1, r=Dylan-DPC

Fix rusty grammar in `std::error::Reporter` docs

### Commit

I initially saw "print's" instead of "prints" at the start of the doc comment for `std::error::Reporter`, while reading the docs for that type. Then I figured 'probably more where that came from', so, as well as correcting the foregoing to "prints", I've patched up these three minor solecisms (well, two [types](https://en.wikipedia.org/wiki/Type%E2%80%93token_distinction), three [tokens](https://en.wikipedia.org/wiki/Type%E2%80%93token_distinction)):

- One use of the indicative which should be subjunctive - indeed the sentence immediately following it, which mirrors its structure, _does_ use the subjunctive ([L871](https://github.com/rust-lang/rust/blob/master/library/std/src/error.rs?plain=1#L871)). Replaced with the subjunctive.
- Two separate clauses joined with commas ([L975](https://github.com/rust-lang/rust/blob/master/library/std/src/error.rs?plain=1#L975), [L1023](https://github.com/rust-lang/rust/blob/master/library/std/src/error.rs?plain=1#L1023)). Replaced the first with a semicolon and the second with a period. Admittedly those judgements are pretty much 100% subjective, based on my sense of how the sentences flowed into each other (though ofc the _replacement of the comma itself_ is not subjective or opinion-based).

I know this is silly and finicky, but I hope it helps tidy up the docs a bit for future readers!

### PR notes

**This is very much non-urgent (and, honestly, non-important).** I just figured it might be a nice quality-of-life improvement and bit of tidying up for the core contributors themselves not to have to do. 🙂

I'm tagging Steve, per the [contributing guidelines](https://rustc-dev-guide.rust-lang.org/contributing.html#r) ("Steve usually reviews documentation changes. So if you were to make a documentation change, add `r? `@steveklabnik`"):`

r? `@steveklabnik`

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