Add transform_query hook to DriverQuirks

[tokoko]

I think it would be useful to have a transform_query hook in DriverQuirks that will be applied to every query before execution. For example, it would enable driver validation suite to inject dialect translation with sqlglot that would lessen the number of individual test overrides.

[lidavidm]

You can override query_set:

validation/adbc_drivers_validation/model.py

Lines 209 to 217 in 80cd791

	@property
	def query_set(self) -> "QuerySet":
	"""
	The queries to be tested.
	A validation suite may override this to customize the queries being
	run programmatically (e.g. to generate new queries dynamically).
	"""
	return query_set(self.queries_paths)

For example, BigQuery uses it to generate new tests even: https://github.com/adbc-drivers/bigquery/blob/6d1f9a4103bb69f96e1d7b62d71c0d520ef07bea/go/validation/tests/bigquery.py#L80-L127