project: change deprecated package: ioutil>io

Author: Lapp

pocket.go

@@ -5,7 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"time"
 
@@ -194,7 +194,7 @@ func (c *Client) doHTTP(ctx context.Context, endpoint string, body interface{})
 		return gjson.Result{}, fmt.Errorf("API error %s: %s", resp.Header.Get(xErrorCodeHeader), resp.Header.Get(xErrorHeader))
 	}
 
-	respBody, err := ioutil.ReadAll(resp.Body)
+	respBody, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return gjson.Result{}, fmt.Errorf("an error occurred when reading the request body: %s", err.Error())
 	}

pocket_test.go

@@ -3,7 +3,7 @@ package go_pocket_sdk
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strings"
 	"testing"
@@ -27,7 +27,7 @@ func newClient(t *testing.T, statusCode int, path, responseBody string) *Client
 
 				return &http.Response{
 					StatusCode: statusCode,
-					Body:       ioutil.NopCloser(strings.NewReader(responseBody)),
+					Body:       io.NopCloser(strings.NewReader(responseBody)),
 				}, nil
 			}),
 		},