CI/CD

Add Christmas Island holidays #8228

Job	Run time
Run pre-commit	31s
CodeQL	1m 31s
Test Python 3.10 on macos-latest	1m 1s
Test Python 3.9 on macos-latest	1m 22s
Test Python 3.12 on macos-latest	54s
Test Python 3.13 on macos-latest	1m 1s
Test Python 3.9 on ubuntu-latest	1m 18s
Test Python 3.11 on ubuntu-latest	1m 15s
Test Python 3.11 on macos-latest	51s
Test Python 3.12 on ubuntu-latest	1m 20s
Test Python 3.13 on ubuntu-latest	1m 42s
Test Python 3.9 on windows-latest	2m 38s
Test Python 3.10 on ubuntu-latest	1m 20s
Test Python 3.11 on windows-latest	2m 36s
Test Python 3.13 on windows-latest	3m 9s
Test Python 3.10 on windows-latest	2m 53s
Test Python 3.12 on windows-latest	2m 49s
Test docs build	21s
Build distribution	22s
Test build on ubuntu-latest	1m 1s
Test build on windows-latest	4m 5s
Test build on macos-latest	35s
Publish generated artifacts	0s
Create SHA1 checksums and Sigstore signatures	0s
Update GitHub release with SBOM and signed artifacts	0s
	34m 35s

Provide feedback