Django-photologue

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- Nothing changed yet.

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- Fixed Python 3.11 bug (226) (contributed by emirisman).

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- Split out zip upload functionality into a separate function (222) (contributed by lausek).
- Do not allow JS injection into the Photo caption field (223) (bug detected by Domiee13).
- Fixed deprecation warnings from Pillow. Should fix 225.
- Handle when PHOTOLOGUE_DIR is not a string. Should fix 224.
- Checked compatibility with Django 4.1 and 4.2.
- Dropped Django 2.2 and 4.0. Dropped Python 3.7.
- Note: not testing against Python 3.11 as I do not have it installed.

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- Django 4.0 adds a no-op migration (221) (reported by rhbvkleef).

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- Made compatible with Django 4.0 (220) (contributed by Martijn Verkleij).
- Updated French translation (219) (contributed by Alexandre Iooss).

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- Updated the sample templates to use Bootstrap 5 (previously used Bootstrap 3).
- Checked compatibility with Django 3.2.
- Use isort to tidy the Python imports.