Update eclipse-mosquitto Docker tag to v2.0.19

Author: renovate-bot

apps/mosquitto/deployment.yaml

@@ -31,7 +31,7 @@ spec:
         seccompProfile:
           type: "RuntimeDefault"
       containers:
-        - image: "eclipse-mosquitto:2.0.18"
+        - image: "eclipse-mosquitto:2.0.19"
           name: "mosquitto"
           securityContext:
             allowPrivilegeEscalation: false