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/parser/src/parser.rs

@@ -205,7 +205,7 @@ impl<'t> Parser<'t> {
         if self.eat(kind) {
             return true;
         }
-        self.error(format!("expected {:?}", kind));
+        self.error(format!("expected {kind:?}"));
         false
     }