The use of VALUES() to refer to the new row and columns is deprecated beginning with MySQL 8.0.20, and is subject to removal in a future version of MySQL.
I have generally avoided adding dialect-specific syntax to squirrel, and it appears that this is Mysql-specific. This sort of syntax is exactly what .Suffix is for.
Add support for MySQL 8's row alias
From the MySQL 8 docs:
The use of VALUES() to refer to the new row and columns is deprecated beginning with MySQL 8.0.20, and is subject to removal in a future version of MySQL.