feat: add 'uc proxy' command to proxy a service port to a local port (#384)

Signed-off-by: Miek Gieben <miek@miek.nl>
Co-authored-by: Pasha Sviderski <me@psviderski.name>

pkg/client/image.go

@@ -241,7 +241,7 @@ func (cli *Client) pushImageToMachine(
 	machineIP := network.MachineIP(machineSubnet)
 	unregistryAddr := net.JoinHostPort(machineIP.String(), strconv.Itoa(constants.UnregistryPort))
 
-	dialer, err := cli.connector.Dialer()
+	dialer, err := cli.Dialer()
 	if err != nil {
 		return fmt.Errorf("get proxy dialer: %w", err)
 	}