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Features
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- Incorporate changes from workalendar v17.0.0 (2023-01-01)
New calendars
- New calendar: Added Tunisia calendar by macharmi (702)
- New calendar: Added El Salvador calendar by hersoncruz (708).
Other changes
- Update China's public holidays for 2023 (728).
- Removed compatibility with Python 3.6, also, removed tests & amended documentation (705).
- Upgraded `tox` usage, now compatble with tox 4+ (added `allowlist_externals`).
- Added support for Python 3.10 (706).
- Added support for Python 3.11 (732).
- Refactor ``NetherlandsWithSchoolHolidays.get_christmas_holidays`` for simplicity and readability.
- Incorporate changes from workalendar v16.4.0 (2022-09-16)
- Fixed United Kingdom's 2022 holidays ; Added Bank Holiday for the State Funeral of Queen Elizabeth II (719).
- Require Python 3.8 or later.