Release notes for 0.337.0

[hashhar]

* <release note text>
  ([#NNN](https://github.com/trinodb/trino-python-client/issues/NNN))

[hashhar]

* Make this package PEP-561 compatible by adding a `py.typed` marker.
  ([#514](https://github.com/trinodb/trino-python-client/issues/514))

[hashhar]

* Ignore primary key, foreign key and unique constraints for table DDL generation.
  ([#541](https://github.com/trinodb/trino-python-client/issues/541))

[hashhar]

* Fix SQLAlchemy function compilation for `first_value`, `last_value`, `nth_value`, `lead`, and `lag`.
  ([#586](https://github.com/trinodb/trino-python-client/issues/586))

[hashhar]

* Make `lz4` and `zstandard` optional dependencies. The client now gracefully handles missing or broken compression libraries by disabling the corresponding encoding.
  ([#585](https://github.com/trinodb/trino-python-client/issues/585))