curl --location --request POST 'https://api.explo.co/api/rename_group_tag/' \
--header 'Content-Type: application/json' \
--header 'Explo-Authorization: Token <token>' \
--data-raw '{
    "name": "tag",
    "new_name": "new tag"
}'

{
  "success": 1,
  "group_tag": {
    "name": "new tag"
  }
}