feat(sidekick/rust): use reqwest wrappers (#3796)

Author: coryan

internal/sidekick/rust/templates/crate/src/transport.rs.mustache

@@ -84,6 +84,7 @@ impl super::stub::{{Codec.Name}} for {{Codec.Name}} {
     ) -> Result<gax::response::Response<{{Codec.ReturnType}}>> {
         use gax::error::binding::BindingError;
         use gaxi::path_parameter::PathMismatchBuilder;
+        use gaxi::http::reqwest::{Method, HeaderValue};
         {{#Codec.HasBindingSubstitutions}}
         use gaxi::path_parameter::try_match;
         use gaxi::routing_parameter::Segment;
@@ -117,9 +118,7 @@ impl super::stub::{{Codec.Name}} for {{Codec.Name}} {
             let path_template = "{{Codec.PathTemplate}}";
             {{/Codec.DetailedTracingAttributes}}
 
-            let builder = self
-                .inner
-                .builder(reqwest::Method::{{Verb}}, path);
+            let builder = self.inner.builder(Method::{{Verb}}, path);
             {{#Codec.QueryParamsCanFail}}
             let builder = (|| {
                 {{#Codec.QueryParams}}
@@ -135,10 +134,10 @@ impl super::stub::{{Codec.Name}} for {{Codec.Name}} {
             let builder = Ok(builder);
             {{/Codec.QueryParamsCanFail}}
             {{#Codec.DetailedTracingAttributes}}
-            Some(builder.map(|b| (b, reqwest::Method::{{Verb}}, path_template)))
+            Some(builder.map(|b| (b, Method::{{Verb}}, path_template)))
             {{/Codec.DetailedTracingAttributes}}
             {{^Codec.DetailedTracingAttributes}}
-            Some(builder.map(|b| (b, reqwest::Method::{{Verb}})))
+            Some(builder.map(|b| (b, Method::{{Verb}})))
             {{/Codec.DetailedTracingAttributes}}
         })
         {{/PathInfo.Bindings}}
@@ -187,7 +186,7 @@ impl super::stub::{{Codec.Name}} for {{Codec.Name}} {
                 {{#Codec.SystemParameters}}
                 .query(&[("{{Name}}", "{{Value}}")])
                 {{/Codec.SystemParameters}}
-                .header("x-goog-api-client", reqwest::header::HeaderValue::from_static(&crate::info::X_GOOG_API_CLIENT_HEADER));
+                .header("x-goog-api-client", HeaderValue::from_static(&crate::info::X_GOOG_API_CLIENT_HEADER));
         let body = gaxi::http::handle_empty({{{Codec.Body}}}, &method);
         self.inner.execute(
             builder,