chore: fix format lint (open-telemetry#3039)

Author: gruebel

benches/log-attributes.rs

@@ -60,7 +60,7 @@ fn create_benchmark(c: &mut Criterion, num_attributes: usize) {
     let subscriber = Registry::default().with(ot_layer);
 
     tracing::subscriber::with_default(subscriber, || {
-        c.bench_function(&format!("otel_{}_attributes", num_attributes), |b| {
+        c.bench_function(&format!("otel_{num_attributes}_attributes"), |b| {
             b.iter(|| {
                 // Dynamically generate the error! macro call based on the number of attributes
                 match num_attributes {

src/layer.rs

@@ -73,7 +73,7 @@ impl<LR: LogRecord> tracing::field::Visit for EventVisitor<'_, LR> {
             return;
         }
         if field.name() == "message" {
-            self.log_record.set_body(format!("{:?}", value).into());
+            self.log_record.set_body(format!("{value:?}").into());
         } else {
             self.log_record
                 .add_attribute(Key::new(field.name()), AnyValue::from(format!("{value:?}")));