Update mqtt_setup.sh

mqtt_setup.sh

@@ -32,7 +32,7 @@ apt-get autoremove >/dev/null
 
 # Update container OS
 msg "Updating container OS..."
-apt-get update >/dev/null
+apt-get --allow-releaseinfo-change update >/dev/null
 apt-get -qqy upgrade &>/dev/null
 
 # Install prerequisites
@@ -64,4 +64,4 @@ systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//')
 
 # Cleanup container
 msg "Cleanup..."
-rm -rf /mqtt_setup.sh /var/{cache,log}/* /var/lib/apt/lists/*
+rm -rf /mqtt_setup.sh /var/{cache,log}/* /var/lib/apt/lists/*