Tests

Merge pull request #500 from mvlvrd/conf_int_for_competing_risks #779

Job	Run time
Build and check notebooks	9m 25s
Build and check (py310, ubuntu-latest)	12m 20s
Build and check (py310, macos-14)	11m 10s
Build and check (py311, ubuntu-latest)	3m 23s
Build and check (py311, macos-14)	2m 29s
Build and check (py312, ubuntu-latest)	3m 24s
Build and check (py312, macos-14)	2m 52s
Build and check (py313, ubuntu-latest)	10m 41s
Build and check (py313, macos-14)	10m 30s
	1h 6m 14s

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