Update to go 1.26.0 and golangci-lint 2.9.0 (#36588)

tests/integration/repo_merge_upstream_test.go

@@ -18,7 +18,6 @@ import (
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
 	api "code.gitea.io/gitea/modules/structs"
-	"code.gitea.io/gitea/modules/util"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -42,7 +41,7 @@ func TestRepoMergeUpstream(t *testing.T) {
 
 		// create a fork
 		req := NewRequestWithJSON(t, "POST", fmt.Sprintf("/api/v1/repos/%s/%s/forks", baseUser.Name, baseRepo.Name), &api.CreateForkOption{
-			Name: util.ToPointer("test-repo-fork"),
+			Name: new("test-repo-fork"),
 		}).AddTokenAuth(token)
 		MakeRequest(t, req, http.StatusAccepted)
 		forkRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerID: forkUser.ID, Name: "test-repo-fork"})