Upgrade go-agentx to v0.3.0, containing my ordering fix

src/agentx/agentx.go

@@ -31,12 +31,13 @@ func StartAgentXRoutine(interfaceMIB *ifmib.InterfaceMIB) error {
 
 	logger.Debugf("Connecting to AgentX at %s://%s", network, address)
 
-	client, err := agentx.Dial(network, address)
+	client, err := agentx.Dial(network, address,
+		agentx.WithTimeout(1*time.Minute),
+		agentx.WithReconnectInterval(1*time.Second),
+	)
 	if err != nil {
 		return err
 	}
-	client.Timeout = 1 * time.Minute
-	client.ReconnectInterval = 1 * time.Second
 
 	// Register the interface MIB with the AgentX client
 	if err := interfaceMIB.RegisterWithClient(client); err != nil {