Potential fix for code scanning alert no. 747: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: sumitmsft

.github/workflows/issue-acknowledge.yml

@@ -7,6 +7,8 @@ on:
 jobs:
   acknowledge:
     runs-on: ubuntu-latest
+    permissions:
+      issues: read
     steps:
       # Step 1: Wait 15 minutes
       - name: Wait 15 minutes