Use gh auth token for default GITHUB_TOKEN secret (#2651)

* initial version

pkg/gh/gh_test.go

@@ -0,0 +1,11 @@
+package gh
+
+import (
+	"context"
+	"testing"
+)
+
+func TestGetToken(t *testing.T) {
+	token, _ := GetToken(context.TODO(), "")
+	t.Log(token)
+}