Add exception handling to koji rss feed

koji rss to rocket json.py

@@ -110,8 +110,14 @@ def send_startup_message():
 
 # Function to fetch and parse the Koji RSS feed
 def fetch_koji_feed():
-    feed = feedparser.parse(KOJI_RSS_URL)
-    return feed.entries
+    try:
+        feed = feedparser.parse(KOJI_RSS_URL)
+        return feed.entries
+    except Exception as e:
+        exc_type, exc_value, exc_traceback = sys.exc_info()
+        logging.error(f"RSS request to koji failed: {exc_type.__name__}: {str(e)}")
+        logging.debug(f"Exception traceback: {''.join(traceback.format_tb(exc_traceback))}")
+        return []
 
 # Main polling loop
 def main():