feat(otlp): Allow to provide http client wrapped in Arc for user

Author: DoumanAsh

opentelemetry-otlp/src/exporter/http/mod.rs

@@ -771,7 +771,7 @@ impl HasHttpConfig for HttpExporterBuilder {
 /// ```
 pub trait WithHttpConfig {
     /// Assign client implementation
-    fn with_http_client<T: HttpClient + 'static>(self, client: T) -> Self;
+    fn with_http_client(self, client: impl Into<std::sync::Arc<dyn HttpClient>>) -> Self;
 
     /// Set additional headers to send to the collector.
     fn with_headers(self, headers: HashMap<String, String>) -> Self;
@@ -785,8 +785,8 @@ pub trait WithHttpConfig {
 }
 
 impl<B: HasHttpConfig> WithHttpConfig for B {
-    fn with_http_client<T: HttpClient + 'static>(mut self, client: T) -> Self {
-        self.http_client_config().client = Some(Arc::new(client));
+    fn with_http_client(mut self, client: impl Into<std::sync::Arc<dyn HttpClient>>) -> Self {
+        self.http_client_config().client = Some(client.into());
         self
     }