Holiday data licenses

Holiday data is generated from python-holidays version 0.107, used under the MIT License. Its copyright notice and license text:

Copyright (c) Vacanza Team and individual contributors (see CONTRIBUTORS file)
Copyright (c) dr-prodigy <dr.prodigy.github@gmail.com>, 2017-2023
Copyright (c) ryanss <ryanssdev@icloud.com>, 2014-2017

All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Data may change; verify critical dates. Holidays come from the open-source python-holidays project. Lunar and Islamic holidays are calculated estimates, and governments can add or move holidays by announcement. Not legal or payroll advice.