CI/CD

Migrate NYSE holidays to ObservedHolidayBase #3186

Job	Run time
Run pre-commit	25s
Test Python 3.8 on macOS-latest	2m 3s
Test Python 3.9 on macOS-latest	1m 25s
Test Python 3.10 on macOS-latest	1m 16s
Test Python 3.11 on macOS-latest	1m 24s
Test Python 3.12 on macOS-latest	1m 40s
Test Python pypy-3.9 on macOS-latest	4m 22s
Test Python pypy-3.10 on macOS-latest	5m 48s
Test Python 3.8 on ubuntu-latest	43s
Test Python 3.9 on ubuntu-latest	43s
Test Python 3.10 on ubuntu-latest	42s
Test Python 3.11 on ubuntu-latest	42s
Test Python 3.12 on ubuntu-latest	55s
Test Python pypy-3.9 on ubuntu-latest	2m 32s
Test Python pypy-3.10 on ubuntu-latest	2m 23s
Test Python 3.8 on windows-latest	1m 20s
Test Python 3.9 on windows-latest	1m 21s
Test Python 3.10 on windows-latest	1m 33s
Test Python 3.11 on windows-latest	1m 31s
Test Python 3.12 on windows-latest	1m 33s
Test Python pypy-3.9 on windows-latest	4m 11s
Test Python pypy-3.10 on windows-latest	4m 51s
Build distribution	29s
Finish coveralls	3s
Publish to PyPI	0s
	43m 55s

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