Since reusable workflows are defining inputs and ouputs using the
on.workflow_call syntax, this could also be triggered by a workflow_call
event. That event does not exist within GitHub and we should make
sure our worklow is not called by that kind of 'synthetic' event.
See https://github.com/nektos/act/pull/1423/files/74da5b085c0c4d08c5e5bf53501e555cb585b26c#r1042413431
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>