Update conference.yml

Author: JohananOppongAmoateng

.github/workflows/conference.yml

@@ -79,7 +79,7 @@ jobs:
 
       - name: Add comment to the issue
         uses: actions/github-script@v6
-        if: ${{ github.event.issue.user.type == 'User' && startsWith(github.event.issue.title, '[CONFERENCE]') && contains(github.event.issue.labels.*.name, 'conference') }} #adds comment only if the issue is created by a user
+        if: ${{ github.event.action == 'opened'  && startsWith(github.event.issue.title, '[CONFERENCE]') && contains(github.event.issue.labels.*.name, 'conference') }} #adds comment only if the issue is created by a user
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |