import: fix role name

In #34 I introduced a change in the role name but forgot to update it in import.tf

Author: iMichka

import.tf

@@ -48,5 +48,5 @@ import {
 
 import {
   to = module.aws.aws_iam_role.github_tf
-  id = "GitHubActionsS3Role"
+  id = "GitHubActionsRole"
 }