Update check-for-issue.yml

Author: kolchfa-aws

.github/workflows/check-for-issue.yml

@@ -34,6 +34,8 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           issue-number: ${{ github.event.pull_request.number }}
           body: |
+            Thank you for submitting a blog!
+          
             The blog process is Submit a PR -> (Optional) Peer review -> Doc review -> Editorial review -> Marketing review -> Published.
 
       - name: Check for linked issues