maintenance: prepare v1.9.4 (#187)

* fix: update CHANGELOG.md

* fix: update pyproject.toml

* fix: bump version

prepare version 1.9.3 (#181)

prepare v1.9.2 (#170)

* prepare v1.9.2

* update dependencies

* update changelog

prepare v1.9.1 (#166)

prepare v1.9.0 and update docs (#161)

prepare version 1.8.1 (#148)

prepare version 1.8.0 (#141)

prepare version 1.7.0 (#129)

prepare v1.6.1 (#118)

* prepare v1.6.1

* pin lxml

prepare release 1.6.0 (#111)

* prepare release 1.6.0

* fix setup

* update benchmark

* update evaluation