fix: keep batch label tool compatible with v2 module

Author: CAOShurong

pkg/github/batch_labels_granular_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/github/github-mcp-server/pkg/translations"
+	"github.com/github/github-mcp-server/v2/pkg/translations"
 	gogithub "github.com/google/go-github/v92/github"
 	"github.com/modelcontextprotocol/go-sdk/mcp"
 	"github.com/stretchr/testify/assert"

pkg/github/issues_granular.go

@@ -2,6 +2,7 @@ package github
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"maps"
 	"strings"