refactor(import): updated to use the new import path for go-nats

nats.go

@@ -8,7 +8,7 @@ import (
 	"github.com/micro/go-micro/broker"
 	"github.com/micro/go-micro/broker/codec/json"
 	"github.com/micro/go-micro/cmd"
-	"github.com/nats-io/nats"
+	"github.com/nats-io/go-nats"
 )
 
 type nbroker struct {

nats_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 
 	"github.com/micro/go-micro/broker"
-	"github.com/nats-io/nats"
+	"github.com/nats-io/go-nats"
 )
 
 var addrTestCases = []struct {

options.go

@@ -4,7 +4,7 @@ import (
 	"context"
 
 	"github.com/micro/go-micro/broker"
-	"github.com/nats-io/nats"
+	"github.com/nats-io/go-nats"
 )
 
 type optionsKey struct{}