Qenerate

Misc:

* Upgrade [ruff](https://docs.astral.sh/ruff/)

Misc:

* Use [ruff](https://docs.astral.sh/ruff/) to check and format the code

Bugfixes:

* Remove leading underscores from attribute names ([88](https://github.com/app-sre/qenerate/pull/89))

Bugfixes:

* revert `allow_population_by_field_name` Pydantic model config. This was causing troubles with mypy.

New Features:

* Set `allow_population_by_field_name` Pydantic [model config](https://docs.pydantic.dev/1.10/usage/model_config/#options)

BUGFIX:

* properly handle inline fragments inside fragment definitions ([80](https://github.com/app-sre/qenerate/pull/80))

New Features:

* Allow custom type mapping of GQL scalars ([76](https://github.com/app-sre/qenerate/pull/76))