Changed token perms

Author: redvers

.github/workflows/release-notes-reminder.yml

@@ -17,5 +17,5 @@ jobs:
       - name: Prompt to add release notes
         uses: docker://ghcr.io/ponylang/release-notes-reminder-bot-action:0.1.1
         env:
-          API_CREDENTIALS: ${{ secrets.GITHUB_ACTOR }}
+          API_CREDENTIALS: ${{ secrets.ISSUES_TOKEN }}