pagure_add_migration_comment: don't sleep for --dry-run updates

pagure_add_migration_comment.py

@@ -263,6 +263,7 @@ def process_issues(
     skipped = 0
     failed_ids: list[int] = []
 
+    # *** Retrieve issues ***
     if issue_numbers:
         print(f"Fetching {len(issue_numbers)} specific issue(s) from {project}...")
         issues = []
@@ -294,6 +295,7 @@ def process_issues(
         )
         print(f"Found {len(issues)} issues")
 
+    # *** Update issues ***
     for issue in issues:
         issue_id = issue["id"]
         status = issue["status"]
@@ -347,8 +349,8 @@ def process_issues(
             else:
                 failed_ids.append(issue_id)
 
-        if delay > 0:
-            time.sleep(delay)
+            if delay > 0:
+                time.sleep(delay)
 
     return processed, skipped, failed_ids