Arrow

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- [ADDED] Added official support for Python 3.11 and 3.12.
- [ADDED] Added dependency on ``types-python-dateutil`` to improve Arrow mypy compatibility. `PR 1102 <https://github.com/arrow-py/arrow/pull/1102>`_
- [FIX] Updates to Italian, Romansh, Hungarian, Finish and Arabic locales.
- [FIX] Handling parsing of UTC prefix in timezone strings.
- [CHANGED] Update documentation to improve readability.
- [CHANGED] Dropped support for Python 3.6 and 3.7, which are end-of-life.
- [INTERNAL] Migrate from ``setup.py``/Twine to ``pyproject.toml``/Flit for packaging and distribution.
- [INTERNAL] Adopt ``.readthedocs.yaml`` configuration file for continued ReadTheDocs support.

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- [NEW] Added Amharic, Armenian, Georgian, Laotian and Uzbek locales.
- [FIX] Updated Danish locale and associated tests.
- [INTERNAL] Small fixes to CI.

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- [NEW] Added Kazakh locale.
- [FIX] The Belarusian, Bulgarian, Czech, Macedonian, Polish, Russian, Slovak and Ukrainian locales now support ``dehumanize``.
- [FIX] Minor bug fixes and improvements to ChineseCN, Indonesian, Norwegian, and Russian locales.
- [FIX] Expanded testing for multiple locales.
- [INTERNAL] Started using ``xelatex`` for pdf generation in documentation.
- [INTERNAL] Split requirements file into ``requirements.txt``, ``requirements-docs.txt`` and ``requirements-tests.txt``.
- [INTERNAL] Added ``flake8-annotations`` package for type linting in ``pre-commit``.

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- [NEW] Added quarter granularity to humanize, for example:

.. code-block:: python

>>> import arrow
>>> now = arrow.now()
>>> four_month_shift = now.shift(months=4)
>>> now.humanize(four_month_shift, granularity="quarter")
'a quarter ago'
>>> four_month_shift.humanize(now, granularity="quarter")
'in a quarter'
>>> thirteen_month_shift = now.shift(months=13)
>>> thirteen_month_shift.humanize(now, granularity="quarter")
'in 4 quarters'
>>> now.humanize(thirteen_month_shift, granularity="quarter")
'4 quarters ago'

- [NEW] Added Sinhala and Urdu locales.
- [NEW] Added official support for Python 3.10.
- [CHANGED] Updated Azerbaijani, Hebrew, and Serbian locales and added tests.
- [CHANGED] Passing an empty granularity list to ``humanize`` now raises a ``ValueError``.

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- [NEW] Added Albanian, Tamil and Zulu locales.
- [NEW] Added support for ``Decimal`` as input to ``arrow.get()``.
- [FIX] The Estonian, Finnish, Nepali and Zulu locales now support ``dehumanize``.
- [FIX] Improved validation checks when using parser tokens ``A`` and ``hh``.
- [FIX] Minor bug fixes to Catalan, Cantonese, Greek and Nepali locales.

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- [NEW] Added Odia, Maltese, Serbian, Sami, and Luxembourgish locales.
- [FIXED] All calls to ``arrow.get()`` should now properly pass the ``tzinfo`` argument to the Arrow constructor. See PR `968 <https://github.com/arrow-py/arrow/pull/968/>`_ for more info.
- [FIXED] Humanize output is now properly truncated when a locale class overrides ``_format_timeframe()``.
- [CHANGED] Renamed ``requirements.txt`` to ``requirements-dev.txt`` to prevent confusion with the dependencies in ``setup.py``.
- [CHANGED] Updated Turkish locale and added tests.