CI/CD

Add Ghana holidays (#1639) #3531

Job	Run time
Run pre-commit	33s
Test Python 3.8 on macOS-latest	1m 37s
Test Python 3.9 on macOS-latest	1m 56s
Test Python 3.10 on macOS-latest	1m 51s
Test Python 3.11 on macOS-latest	1m 9s
Test Python 3.12 on macOS-latest	1m 28s
Test Python pypy-3.9 on macOS-latest	3m 4s
Test Python pypy-3.10 on macOS-latest	5m 19s
Test Python 3.8 on ubuntu-latest	45s
Test Python 3.9 on ubuntu-latest	49s
Test Python 3.10 on ubuntu-latest	47s
Test Python 3.11 on ubuntu-latest	52s
Test Python 3.12 on ubuntu-latest	54s
Test Python pypy-3.9 on ubuntu-latest	2m 20s
Test Python pypy-3.10 on ubuntu-latest	2m 21s
Test Python 3.8 on windows-latest	1m 18s
Test Python 3.9 on windows-latest	1m 20s
Test Python 3.10 on windows-latest	1m 27s
Test Python 3.11 on windows-latest	1m 53s
Test Python 3.12 on windows-latest	1m 22s
Test Python pypy-3.9 on windows-latest	5m 8s
Test Python pypy-3.10 on windows-latest	5m 27s
Build distribution	29s
Finish coveralls	7s
Publish to PyPI	0s
	44m 16s

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