Check status code on onvif snapshot (#33865)

homeassistant/components/onvif/camera.py

@@ -516,6 +516,7 @@ class ONVIFHassCamera(Camera):
                 """Read image from a URL."""
                 try:
                     response = requests.get(self._snapshot, timeout=5, auth=auth)
+                    if response.status_code < 300:
                         return response.content
                 except requests.exceptions.RequestException as error:
                     _LOGGER.error(