pull-request.github.json

{
  "tasks": [
    {
      "httpTask": {
        "url": "https://api.github.com/repos/<org>/<repo>/pulls",
        "method": "GET",
        "headers": [
          {
            "key": "User-Agent",
            "value": "curl/7.78.0"
          }
        ]
      }
    },
    {
      "conditionalTask": {
        "attempt": [
          {
            "jsonParseTask": {
              "path": "$[?(@.number == <PR-number> && @.merged_at == null)].number"
            }
          },
          {
            "valueTask": {
              "value": 1
            }
          }
        ],
        "onFailure": [
          {
            "valueTask": {
              "value": 2
            }
          }
        ]
      }
    }
  ]
}