Update conference_auto_respond.yml

fix syntax issue

Author: kjaymiller

.github/workflows/conference_auto_respond.yml

@@ -23,6 +23,7 @@ jobs:
           script: |
             const issueNumber = context.issue.number;
             const comment = "Thank you for submitting this issue. A member of the triage team will review the information and followup on this request. There is no code action to be taken.";
+            github.rest.issues.createComment({
               ...context.repo,
               issue_number: issueNumber,
               body: comment