Update tests to use v2

Signed-off-by: Michał Matczuk <michal@scylladb.com>

table/table.go

@@ -4,7 +4,7 @@
 
 package table
 
-import "github.com/scylladb/gocqlx/qb"
+import "github.com/scylladb/gocqlx/v2/qb"
 
 // Metadata represents table schema.
 type Metadata struct {

table/table_test.go

@@ -9,7 +9,7 @@ import (
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
-	"github.com/scylladb/gocqlx/qb"
+	"github.com/scylladb/gocqlx/v2/qb"
 )
 
 func TestTableGet(t *testing.T) {