fix: Remove outdated usage

Author: leeqvip

request.go

@@ -1,13 +1,13 @@
 package ghttp
 
 import (
-	"github.com/google/uuid"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strings"
 	"time"
+
+	"github.com/google/uuid"
 )
 
 const DefaultTimeout = 8 * time.Second
@@ -96,12 +96,12 @@ func (r *Request) Send() (*Response, error) {
 	}
 	defer rep.Body.Close()
 
-	respBody, err := ioutil.ReadAll(rep.Body)
+	respBody, err := io.ReadAll(rep.Body)
 	if err != nil {
 		return nil, err
 	}
 
-	response := NewResponse(rep, respBody, time.Now().Sub(start))
+	response := NewResponse(rep, respBody, time.Since(start))
 
 	response.RequestId = r.RequestId