chore: minor fixes

.trivyignore

@@ -1,3 +1,3 @@
 # libexpat is only pulled in via apt-get install git during build.
-# It is not used in the final runtime image or by blink2mqtt at all.
+# It is not used in the final runtime image or by amcrest2mqtt at all.
 CVE-2025-59375

src/amcrest2mqtt/mixins/publish.py

@@ -170,6 +170,8 @@ class PublishMixin:
                     if sub and k != sub:
                         continue
                     topic = self.mqtt_helper.stat_t(device_id, state, k)
+                    if isinstance(v, list):
+                        v = json.dumps(v)
                     await asyncio.to_thread(self.mqtt_helper.safe_publish, topic, v, retain=True)
             else:
                 topic = self.mqtt_helper.stat_t(device_id, state)