Inline all format arguments where possible

This makes code more readale and concise,
moving all format arguments like `format!("{}", foo)`
into the more compact `format!("{foo}")` form.

The change was automatically created with, so there are far less change
of an accidental typo.

```
cargo clippy --fix -- -A clippy::all -W clippy::uninlined_format_args
```

crates/syntax/src/fuzz.rs

@@ -36,7 +36,7 @@ impl CheckReparse {
         let delete_len = usize::from_str(lines.next()?).ok()?;
         let insert = lines.next()?.to_string();
         let text = lines.collect::<Vec<_>>().join("\n");
-        let text = format!("{}{}{}", PREFIX, text, SUFFIX);
+        let text = format!("{PREFIX}{text}{SUFFIX}");
         text.get(delete_start..delete_start.checked_add(delete_len)?)?; // make sure delete is a valid range
         let delete =
             TextRange::at(delete_start.try_into().unwrap(), delete_len.try_into().unwrap());
@@ -60,8 +60,8 @@ impl CheckReparse {
                 eprint!("reparsed:\n{:#?}", new_parse.tree().syntax());
                 eprint!("full reparse:\n{:#?}", full_reparse.tree().syntax());
                 assert_eq!(
-                    format!("{:?}", a),
-                    format!("{:?}", b),
+                    format!("{a:?}"),
+                    format!("{b:?}"),
                     "different syntax tree produced by the full reparse"
                 );
             }