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

cmd/admin_user_generate_access_token.go

@@ -4,6 +4,7 @@
 package cmd
 
 import (
+	"errors"
 	"fmt"
 
 	auth_model "code.gitea.io/gitea/models/auth"
@@ -42,7 +43,7 @@ var microcmdUserGenerateAccessToken = &cli.Command{
 
 func runGenerateAccessToken(c *cli.Context) error {
 	if !c.IsSet("username") {
-		return fmt.Errorf("You must provide a username to generate a token for")
+		return errors.New("You must provide a username to generate a token for")
 	}
 
 	ctx, cancel := installSignals()
@@ -68,7 +69,7 @@ func runGenerateAccessToken(c *cli.Context) error {
 		return err
 	}
 	if exist {
-		return fmt.Errorf("access token name has been used already")
+		return errors.New("access token name has been used already")
 	}
 
 	// make sure the scopes are valid