curl --request PATCH \
  --url https://gogs.example.com/api/v1/repos/{owner}/{repo}/issue-tracker \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "enable_issues": true,
  "enable_external_tracker": true,
  "external_tracker_url": "<string>",
  "tracker_url_format": "<string>"
}
'