update changelog and rustfmt

CHANGELOG.md

@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add support for tracing-opentelemetry v0.21 (#147)
 - Error messages when using `#[autometrics]` together with `#[async_trait]`
   has been improved (#149)
+- Fixed missing feature flag for `opentelemetry-otlp` when autometrics feature
+  `otel-push-exporter-http` is enabled
 
 ## [0.6.0](https://github.com/autometrics-dev/autometrics-rs/releases/tag/v0.5.0) - 2023-08-08
 

autometrics/src/otel_push_exporter.rs

@@ -1,6 +1,6 @@
 use opentelemetry_api::metrics::MetricsError;
-use opentelemetry_otlp::{ExportConfig, Protocol, WithExportConfig};
 use opentelemetry_otlp::OtlpMetricPipeline;
+use opentelemetry_otlp::{ExportConfig, Protocol, WithExportConfig};
 use opentelemetry_sdk::metrics::MeterProvider;
 use std::ops::Deref;
 use std::time::Duration;