chore: use errors.New to replace fmt.Errorf with no parameters will much better (#30621)

use errors.New to replace fmt.Errorf with no parameters will much better

(cherry picked from commit 9de443ced2c328d9b58a5e144a765f402aab859d)

models/auth/oauth2.go

@@ -8,6 +8,7 @@ import (
 	"crypto/sha256"
 	"encoding/base32"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"net"
 	"net/url"
@@ -301,7 +302,7 @@ func UpdateOAuth2Application(ctx context.Context, opts UpdateOAuth2ApplicationOp
 		return nil, err
 	}
 	if app.UID != opts.UserID {
-		return nil, fmt.Errorf("UID mismatch")
+		return nil, errors.New("UID mismatch")
 	}
 	builtinApps := BuiltinApplications()
 	if _, builtin := builtinApps[app.ClientID]; builtin {

models/git/lfs_lock.go

@@ -5,7 +5,7 @@ package git
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"strings"
 	"time"
 
@@ -148,7 +148,7 @@ func DeleteLFSLockByID(ctx context.Context, id int64, repo *repo_model.Repositor
 	}
 
 	if !force && u.ID != lock.OwnerID {
-		return nil, fmt.Errorf("user doesn't own lock and force flag is not set")
+		return nil, errors.New("user doesn't own lock and force flag is not set")
 	}
 
 	if _, err := db.GetEngine(dbCtx).ID(id).Delete(new(LFSLock)); err != nil {

models/repo_transfer.go

@@ -5,6 +5,7 @@ package models
 
 import (
 	"context"
+	"errors"
 	"fmt"
 
 	"code.gitea.io/gitea/models/db"
@@ -120,7 +121,7 @@ func DeleteRepositoryTransfer(ctx context.Context, repoID int64) error {
 func TestRepositoryReadyForTransfer(status repo_model.RepositoryStatus) error {
 	switch status {
 	case repo_model.RepositoryBeingMigrated:
-		return fmt.Errorf("repo is not ready, currently migrating")
+		return errors.New("repo is not ready, currently migrating")
 	case repo_model.RepositoryPendingTransfer:
 		return ErrRepoTransferInProgress{}
 	}