Add Palau holidays (#1776) #3918

Job	Run time
Run pre-commit	24s
Test Python 3.10 on macOS-latest	1m 46s
Test Python 3.11 on macOS-latest	1m 30s
Test Python 3.12 on macOS-latest	1m 41s
Test Python pypy-3.10 on macOS-latest	3m 30s
Test Python 3.8 on ubuntu-latest	52s
Test Python 3.9 on ubuntu-latest	48s
Test Python 3.10 on ubuntu-latest	54s
Test Python 3.11 on ubuntu-latest	52s
Test Python 3.12 on ubuntu-latest	1m 7s
Test Python pypy-3.9 on ubuntu-latest	2m 32s
Test Python pypy-3.10 on ubuntu-latest	2m 20s
Test Python 3.8 on windows-latest	1m 50s
Test Python 3.9 on windows-latest	1m 22s
Test Python 3.10 on windows-latest	1m 42s
Test Python 3.11 on windows-latest	1m 52s
Test Python 3.12 on windows-latest	2m 0s
Test Python pypy-3.9 on windows-latest	5m 6s
Test Python pypy-3.10 on windows-latest	5m 12s
Test Python 3.8 on macos-13	1m 8s
Test Python 3.9 on macos-13	1m 9s
Test Python pypy-3.9 on macos-13	3m 18s
Finish coveralls	5s
Build distribution	33s
Test build on macOS-latest	26s
Test build on ubuntu-latest	48s
Test build on windows-latest	1m 37s
Publish to PyPI	0s
	46m 24s

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