Dispatch is unsuccessful for some workflows

[desrosj]

I'm experiencing a strange issue where this action is unable to successfully dispatch an event for some workflows in my repository.

I am trying to trigger 5 workflows in a non-default branch. Each workflow file has the workflow_dispatch event in both branches. 3 are triggered successfully, 2 fail. If I change the step to manually issue a curl request to dispatch the same workflows, it works successfully.

I've updated the workflow file to include steps demonstrating the manual curl and with use of this action. Here's a workflow run: https://github.com/desrosj/wordpress-develop/actions/runs/614972625.