linera-views-derive: fix Clippy warning (#4754)

## Motivation

Clippy.

## Proposal

Fix.

## Test Plan

Immaterial change.

## Release Plan

- Nothing to do / These changes follow the usual release cycle.

## Links

- [reviewer
checklist](https://github.com/linera-io/linera-protocol/blob/main/CONTRIBUTING.md#reviewer-checklist)

Author: Twey

linera-views-derive/src/lib.rs

@@ -64,7 +64,7 @@ fn generate_view_code(input: ItemStruct, root: bool) -> Result<TokenStream2, Err
     } = Constraints::get(&input);
 
     let attrs: StructAttrs = deluxe::parse_attributes(&input)
-        .map_err(|e| Error::new_spanned(&input, format!("Failed to parse attributes: {}", e)))?;
+        .map_err(|e| Error::new_spanned(&input, format!("Failed to parse attributes: {e}")))?;
     let context = attrs.context.or_else(|| {
         input.generics.type_params().next().map(|param| {
             let ident = &param.ident;