Update email template

curl --request PATCH \
  --url https://api.wacht.dev/settings/email-templates/{template_name} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "template_name": "<string>",
  "template_data": "<string>",
  "template_from": "<string>",
  "template_reply_to": "<string>",
  "template_subject": "<string>"
}
'

{
  "template_name": "<string>",
  "template_data": "<string>",
  "template_from": "<string>",
  "template_reply_to": "<string>",
  "template_subject": "<string>"
}