replace for Reader

Signed-off-by: Pavel Okhlopkov <pavel.okhlopkov@flant.com>

pkg/module_manager/models/hooks/kind/batch_hook.go

@@ -183,7 +183,7 @@ func GetBatchHookConfig(hookPath string) ([]sdkhook.HookConfig, error) {
 	}
 
 	cfgs := make([]sdkhook.HookConfig, 0)
-	buf := bytes.NewBuffer(o)
+	buf := bytes.NewReader(o)
 	err = json.NewDecoder(buf).Decode(&cfgs)
 	if err != nil {
 		return nil, fmt.Errorf("decode: %w", err)