replaced ioutil.ReadAll by io.ReadAll

src/data/main.go

@@ -3,7 +3,7 @@ package data
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"time"
 
@@ -33,7 +33,7 @@ func FetchData(c *config.Config, city string) (Data, error) {
 
 	defer r.Body.Close()
 
-	b, err := ioutil.ReadAll(r.Body)
+	b, err := io.ReadAll(r.Body)
 	if err != nil {
 		return Data{}, err
 	}