message: ISSUE_TEMPLATE: fix typo
diff: to reduce attachment size
  * Use PNG for images, if you report some CV related bug, but not image reader
  issue
  - * Attach the image as archite to the ticket, if you report some reader issue.
  + * Attach the image as archive to the ticket, if you report some reader issue.
  Image hosting services compress images and it breaks the repro code.
  * Provide ONNX file for some public model or ONNX file with with random weights,
  if you report ONNX parsing or handling issue. Architecture details diagram
  