feat: Add retry delay as span attribute in retry handler

CHANGELOG.md

@@ -9,6 +9,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+## [1.4.4] - 2024-08-13
+
+### Changed
+
+- Added `http.request.resend_delay` as a span attribute for the retry handler
+- Changed the `http.retry_count` span attribute to `http.request.resend_count` to conform to OpenTelemetry specs.
+
 ## [1.4.3] - 2024-07-22
 
 ### Changed

retry_handler.go

@@ -142,8 +142,11 @@ func (middleware RetryHandler) retryRequest(ctx context.Context, pipeline Pipeli
 		}
 		if observabilityName != "" {
 			ctx, span := otel.GetTracerProvider().Tracer(observabilityName).Start(ctx, "RetryHandler_Intercept - attempt "+fmt.Sprint(executionCount))
-			span.SetAttributes(attribute.Int("http.retry_count", executionCount),
+			span.SetAttributes(attribute.Int("http.request.resend_count", executionCount),
+
 				attribute.Int("http.status_code", resp.StatusCode),
+				attribute.Float64("http.request.resend_delay", delay.Seconds()),
+
 			)
 			defer span.End()
 			req = req.WithContext(ctx)

user_agent_handler.go

@@ -42,7 +42,7 @@ func NewUserAgentHandlerOptions() *UserAgentHandlerOptions {
 	return &UserAgentHandlerOptions{
 		Enabled:        true,
 		ProductName:    "kiota-go",
-		ProductVersion: "1.4.3",
+		ProductVersion: "1.4.4",
 	}
 }