Update JWT template

curl --request PATCH \
  --url https://api.wacht.dev/jwt-templates/{id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "token_lifetime": 123,
  "allowed_clock_skew": 123,
  "custom_signing_key": {
    "enabled": true,
    "key": "<string>",
    "algorithm": "<string>"
  },
  "template": {}
}
'

{
  "id": "<string>",
  "name": "<string>",
  "token_lifetime": 123,
  "allowed_clock_skew": 123,
  "custom_signing_key": {
    "enabled": true,
    "key": "<string>",
    "algorithm": "<string>"
  },
  "template": {},
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}