rule to detect extra col in multiline insert

Description
```INSERT INTO y.x (a,b,c) VALUES ('1','1','1'), ('1','1','1','1'), ('1','1','1');```

Use case
want this parse to fail as 4th column in 2nd row but only 3 cols in the values

Start by reproducing the supplied INSERT statement with the SQL parser and inspect how it handles column counts across rows in a VALUES list. Then find the existing INSERT parser tests and add coverage for the extra value in the second row; done means that input fails while the valid rows are accepted.

Written by the indexing model from the issue text.