correct call on GH Token

Author: kjaymiller

.github/workflows/add_conference_to_project_and_close.yaml

@@ -15,4 +15,4 @@ jobs:
         run: gh issue comment $ISSUE --body "Thank you for adding this event! \n We'll happily consider it for the next episode. \n\n The Issue autocloses but we'll be reviewing it at https://github.com/users/kjaymiller/projects/4/views/3" && gh issue close $ISSUE
         env:
          ISSUE: ${{ github.event.issue.html_url }}
-         GITHUB: ${{ secrets.ADD_TO_PROJECT_PAT }}
+         GH_TOKEN: ${{ secrets.ADD_TO_PROJECT_PAT }}