BUG: Fix sample data URL #166

Job	Run time
python-build-workflow / build-linux-python-packages (37)	8m 50s
python-build-workflow / build-macos-python-packages	33m 9s
python-build-workflow / build-linux-python-packages (38)	8m 4s
python-build-workflow / build-linux-python-packages (39)	8m 10s
cxx-build-workflow / build-test-cxx (ubuntu-20.04)	17m 21s
python-build-workflow / build-windows-python-packages (7)	16m 56s
cxx-build-workflow / build-test-cxx (windows-2022)	23m 30s
python-build-workflow / build-linux-python-packages (310)	9m 31s
python-build-workflow / build-windows-python-packages (8)	16m 39s
cxx-build-workflow / build-test-cxx (macos-11)	24m 25s
python-build-workflow / build-linux-python-packages (311)	8m 29s
python-build-workflow / build-windows-python-packages (9)	20m 50s
python-build-workflow / build-windows-python-packages (10)	19m 20s
python-build-workflow / build-windows-python-packages (11)	20m 20s
python-build-workflow / publish-python-packages-to-pypi	28s
	3h 56m 2s

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