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

tests/integration/actions_concurrency_test.go

@@ -19,7 +19,6 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/timeutil"
-	"code.gitea.io/gitea/modules/util"
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 	actions_service "code.gitea.io/gitea/services/actions"
 
@@ -420,7 +419,7 @@ jobs:
 		// user4 forks the repo
 		req := NewRequestWithJSON(t, "POST", fmt.Sprintf("/api/v1/repos/%s/%s/forks", baseRepo.OwnerName, baseRepo.Name),
 			&api.CreateForkOption{
-				Name: util.ToPointer("actions-concurrency-fork"),
+				Name: new("actions-concurrency-fork"),
 			}).AddTokenAuth(user4Token)
 		resp := MakeRequest(t, req, http.StatusAccepted)
 		var apiForkRepo api.Repository