CI/CD

Add Saint Kitts & Nevis holidays #4803

Job	Run time
Run pre-commit	31s
CodeQL	2m 28s
Test Python 3.8 on macos-latest	1m 6s
Test Python 3.9 on macos-latest	48s
Test Python 3.10 on macos-latest	42s
Test Python 3.11 on macos-latest	1m 9s
Test Python 3.12 on macos-latest	55s
Test Python 3.13 on macos-latest	1m 6s
Test Python 3.8 on ubuntu-latest	1m 2s
Test Python 3.9 on ubuntu-latest	1m 1s
Test Python 3.10 on ubuntu-latest	1m 1s
Test Python 3.11 on ubuntu-latest	52s
Test Python 3.12 on ubuntu-latest	1m 24s
Test Python 3.13 on ubuntu-latest	1m 17s
Test Python 3.8 on windows-latest	1m 44s
Test Python 3.9 on windows-latest	1m 37s
Test Python 3.10 on windows-latest	1m 37s
Test Python 3.11 on windows-latest	1m 46s
Test Python 3.12 on windows-latest	2m 3s
Test Python 3.13 on windows-latest	2m 10s
Build distribution	27s
Test docs build	36s
Test build on macos-latest	33s
Test build on ubuntu-latest	43s
Test build on windows-latest	1m 56s
Publish generated artifacts	0s
	30m 34s

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