Replace deprecated ioutil with io and os

https://pkg.go.dev/io/ioutil is deprecated since Go 1.16.

resources/resource_factories/create/remote.go

@@ -18,7 +18,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"mime"
 	"net/http"
 	"net/http/httputil"
@@ -48,7 +47,7 @@ type HTTPError struct {
 func responseToData(res *http.Response, readBody bool) map[string]any {
 	var body []byte
 	if readBody {
-		body, _ = ioutil.ReadAll(res.Body)
+		body, _ = io.ReadAll(res.Body)
 	}
 
 	m := map[string]any{
@@ -157,7 +156,7 @@ func (c *Client) FromRemote(uri string, optionsm map[string]any) (resource.Resou
 	// A response to a HEAD method should not have a body. If it has one anyway, that body must be ignored.
 	// See https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/HEAD
 	if !isHeadMethod && res.Body != nil {
-		body, err = ioutil.ReadAll(res.Body)
+		body, err = io.ReadAll(res.Body)
 		if err != nil {
 			return nil, fmt.Errorf("failed to read remote resource %q: %w", uri, err)
 		}