fix nulls first regression

[dot2dotseurat]

Null ordering is large in the postgres dialect and previously we overrode this with #66 but it was reverting when we bumped sqlglot versions #82

The only way I see to get around this is to make a new Dialect and inherit Postgres and edit NULL_ORDERING on that.

class Postgres(Dialect):
    INDEX_OFFSET = 1
    NULL_ORDERING = "nulls_are_large"

https://github.com/tobymao/sqlglot/blob/46b5dfa09bba7c339dd8b0bd077455946dec8d8d/sqlglot/dialects/postgres.py#L211

[antonio-mendes]

LGTM @dot2dotseurat , can I just ask you to bump this

harmonizer/pyproject.toml

Line 3 in 00e7320

version = "0.34.2"

to 0.34.3 as well?

Feel free to merge afterwards and I can then re-deploy 👍