CI/CD

Add Afghanistan holidays #5384

Job	Run time
Run pre-commit	34s
CodeQL	1m 30s
Test Python 3.9 on macos-latest	58s
Test Python 3.10 on macos-latest	58s
Test Python 3.11 on macos-latest	54s
Test Python 3.12 on macos-latest	45s
Test Python 3.13 on macos-latest	36s
Test Python 3.9 on ubuntu-latest	1m 3s
Test Python 3.10 on ubuntu-latest	1m 18s
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 16s
Test Python 3.9 on windows-latest	1m 44s
Test Python 3.10 on windows-latest	1m 45s
Test Python 3.11 on windows-latest	1m 42s
Test Python 3.12 on windows-latest	2m 14s
Test Python 3.13 on windows-latest	2m 26s
Build distribution	26s
Test docs build	46s
Test build on macos-latest	25s
Test build on ubuntu-latest	53s
Test build on windows-latest	2m 57s
Publish generated artifacts	0s
Create SHA1 checksums and Sigstore signatures	0s
Update GitHub release with SBOM and signed artifacts	0s
	27m 26s

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