Update Tag Endpoint

Name	Type	Description	Required
`name`	string	The name of the tag	No
`slug`	string	The slug of the tag	No
`reference`	string	The reference of the tag	No
`image`	object	The Image of the tag	No
`has_slug`	boolean	Whether the tag has a slug or not	No

Name	Type	Description	Required
`src`	string	The source url of the image	Yes

PUT /api/tag-groups/{id|name}/tags/{id|name}

{
    "name": "Medium",
    "slug": "med-ium"
}

{
    "tag": {
        "id": 1
    }
}