Refactor
* β»οΈ refactor some functions & minor changes. [180](https://github.com/pydantic/pydantic-extra-types/pull/180) by [yezz123](https://github.com/yezz123)
Internal
* Allow requiring extra dependencies. [178](https://github.com/pydantic/pydantic-extra-types/pull/178) by [yezz123](https://github.com/yezz123)
Types
* Add ISO 15924 and tests. [174](https://github.com/pydantic/pydantic-extra-types/pull/174) by [07pepa](https://github.com/07pepa)
* add native datetime to pendulum_dt.py. [176](https://github.com/pydantic/pydantic-extra-types/pull/176) by [07pepa](https://github.com/07pepa)
* add hash and eq to phone_numbers. [177](https://github.com/pydantic/pydantic-extra-types/pull/177) by [07pepa](https://github.com/07pepa)
Dependencies
* β¬ Bump the python-packages group with 5 updates. PR [179](https://github.com/pydantic/pydantic-extra-types/pull/179) by dependabot
* β¬ Bump the python-packages group with 4 updates. PR [171](https://github.com/pydantic/pydantic-extra-types/pull/171) by dependabot