fix: Remove full url from default span & http.url -> url.full in …

…`SpanBackendWithUrl`

reqwest-tracing/src/reqwest_otel_span_builder.rs

@@ -103,7 +103,7 @@ pub fn default_span_name<'a>(req: &'a Request, ext: &'a Extensions) -> Cow<'a, s
 }
 
 /// The default [`ReqwestOtelSpanBackend`] for [`TracingMiddleware`]. Note that it doesn't include
-/// the `http.url` field in spans, you can use [`SpanBackendWithUrl`] to add it.
+/// the `url.full` field in spans, you can use [`SpanBackendWithUrl`] to add it.
 ///
 /// [`TracingMiddleware`]: crate::middleware::TracingMiddleware
 pub struct DefaultSpanBackend;
@@ -119,15 +119,15 @@ impl ReqwestOtelSpanBackend for DefaultSpanBackend {
     }
 }
 
-/// Similar to [`DefaultSpanBackend`] but also adds the `http.url` attribute to request spans.
+/// Similar to [`DefaultSpanBackend`] but also adds the `url.full` attribute to request spans.
 ///
 /// [`TracingMiddleware`]: crate::middleware::TracingMiddleware
 pub struct SpanBackendWithUrl;
 
 impl ReqwestOtelSpanBackend for SpanBackendWithUrl {
     fn on_request_start(req: &Request, ext: &mut Extensions) -> Span {
         let name = default_span_name(req, ext);
-        reqwest_otel_span!(name = name, req, http.url = %remove_credentials(req.url()))
+        reqwest_otel_span!(name = name, req, url.full = %remove_credentials(req.url()))
     }
 
     fn on_request_end(span: &Span, outcome: &Result<Response>, _: &mut Extensions) {

reqwest-tracing/src/reqwest_otel_span_macro.rs

@@ -7,7 +7,6 @@
 /// - url.scheme
 /// - server.address
 /// - server.port
-/// - url.full
 /// - otel.kind
 /// - otel.name
 /// - otel.status_code
@@ -54,7 +53,7 @@
 ///
 /// If nothing else is specified, the span generated by `reqwest_otel_span!` is identical to the one you'd
 /// get by using [`DefaultSpanBackend`]. Note that to avoid leaking sensitive information, the
-/// macro doesn't include `http.url`, even though it's required by opentelemetry. You can add the
+/// macro doesn't include `url.full`, even though it's required by opentelemetry. You can add the
 /// URL attribute explicitly by using [`SpanBackendWithUrl`] instead of `DefaultSpanBackend` or
 /// adding the field on your own implementation.
 ///
@@ -137,7 +136,6 @@ macro_rules! reqwest_otel_span {
                         url.scheme = %scheme,
                         server.address = %host,
                         server.port = %host_port,
-                        url.full = %url,
                         user_agent.original = %user_agent,
                         otel.kind = "client",
                         otel.name = %otel_name,