Easy-thumbnails

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* Fix regression introduced in version 2.8.4. Argument ``quality`` is not removed for images
of type ``.webp``.

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* Fix problem when thumbnailing images of type TIFF. PIL's ``TiffImagePlugin`` doesn't
like argument ``quality``.
* Replace deprecated Pillow constants against newer counterparts. Check
https://pillow.readthedocs.io/en/stable/releasenotes/9.1.0.html#deprecations for details.

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* Fix regression in library detection introduced in version 2.8.2.

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* Installation of easy-thumbnails now optionally depends on the reportlab library.

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* Add support for Django 4.
* New ``THUMBNAIL_IMAGE_SAVE_OPTIONS`` setting.
* Fix 587: Uploading SVG Images to S3 storage.

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* Add support for thumbnailing SVG images. This is done by adding an emulation layer named VIL,
which aims to be compatible with PIL. All thumbnailing operations, such as scaling and cropping
behave like pixel images.
* Remove configuration directives ``THUMBNAIL_HIGH_RESOLUTION`` and ``THUMBNAIL_HIGHRES_INFIX``
from easy-thumbnails setting directives.