✨ feat: add CloseResponseBodyGracefully function to handle HTTP response body closure

relay/common_handler/rerank.go

@@ -16,10 +16,7 @@ func RerankHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Respo
 	if err != nil {
 		return service.OpenAIErrorWrapper(err, "read_response_body_failed", http.StatusInternalServerError), nil
 	}
-	err = resp.Body.Close()
-	if err != nil {
-		return service.OpenAIErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
-	}
+	common.CloseResponseBodyGracefully(resp)
 	if common.DebugEnabled {
 		println("reranker response body: ", string(responseBody))
 	}