Bump github.com/eclipse/paho.mqtt.golang from 1.2.0 to 1.3.2

Bumps [github.com/eclipse/paho.mqtt.golang](https://github.com/eclipse/paho.mqtt.golang) from 1.2.0 to 1.3.2.
- [Release notes](https://github.com/eclipse/paho.mqtt.golang/releases)
- [Commits](https://github.com/eclipse/paho.mqtt.golang/compare/v1.2.0...v1.3.2

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go.mod

@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/armon/go-metrics v0.3.3 // indirect
-	github.com/eclipse/paho.mqtt.golang v1.2.0
+	github.com/eclipse/paho.mqtt.golang v1.3.2
 	github.com/edgexfoundry/go-mod-registry v0.1.11
 	github.com/gorilla/mux v1.7.1
 	github.com/gorilla/websocket v1.4.2