Implementing correct depth-to-sigma calculation #302

Job	Run time
mypy	3m 39s
py3.12 \| macos \| unit tests	10m 58s
py3.12 \| ubuntu \| unit tests	13m 32s
py3.12 \| windows \| unit tests	20m 39s
py3.12 \| macos \| integration tests	14m 46s
py3.10 \| ubuntu \| unit tests	11m 41s
py3.12 \| ubuntu \| integration tests	17m 51s
py3.11 \| ubuntu \| unit tests	12m 21s
py3.12 \| windows \| integration tests	31m 56s
merge-test-artifacts	0s
	2h 17m 23s

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