Revert "Use less extreme values for min and max timedelta in tests" #270

Job	Run time
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	1m 40s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_min)	10m 20s
Build distribution packages	18s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	1m 4s
Cross-arch tests with nox (arm64, ubuntu-20.04, 3.11, pytest_max)	10m 27s
Test documentation website generation	0s
Test package installation in different architectures	1m 17s
Test with nox	1s
Cross-arch tests with nox	1s
Publish documentation website to GitHub pages	20s
Create GitHub release	0s
Publish packages to PyPI	0s
	25m 28s

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