fix: stop using the deprecated io/ioutil package

Author: web3-bot

s3.go

@@ -4,15 +4,16 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
-	"github.com/aws/aws-sdk-go/service/sts"
 	"io"
 	"os"
 	"path"
 	"strings"
 	"sync"
 	"time"
 
+	"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
+	"github.com/aws/aws-sdk-go/service/sts"
+
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/credentials"