reduce number of win builds
updated CI, docs and classifier for next release. reduce number of win builds
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 ``celery.backends.redis``
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.. contents::
    :local:
.. currentmodule:: celery.backends.redis

.. automodule:: celery.backends.redis
    :members:
    :undoc-members:

==========================================
 ``celery.backends.redis``
==========================================

.. contents::
    :local:
.. currentmodule:: celery.backends.redis

.. automodule:: celery.backends.redis
    :members:
    :undoc-members:
