move all imports to own domain

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/token/jwt/jwt.go

@@ -1,13 +1,13 @@
-package jwt
+package jwt // import "go.unistack.org/micro/v3/util/token/jwt"
 
 import (
 	"encoding/base64"
 	"time"
 
 	"github.com/golang-jwt/jwt/v4"
-	"github.com/unistack-org/micro/v3/auth"
-	"github.com/unistack-org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/util/token"
+	"go.unistack.org/micro/v3/auth"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/util/token"
 )
 
 // authClaims to be encoded in the JWT

util/token/jwt/jwt_test.go

@@ -5,8 +5,8 @@ import (
 	"testing"
 	"time"
 
-	"github.com/unistack-org/micro/v3/auth"
-	"github.com/unistack-org/micro/v3/util/token"
+	"go.unistack.org/micro/v3/auth"
+	"go.unistack.org/micro/v3/util/token"
 )
 
 func TestGenerate(t *testing.T) {