Moving the time interpolation down to within _Interpolator functions #738

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Job	Run time
mypy	3m 17s
py3.13 \| macos \| unit tests	8m 58s
py3.13 \| macos \| integration tests	10m 46s
py3.13 \| ubuntu \| unit tests	10m 14s
py3.13 \| ubuntu \| integration tests	10m 43s
py3.13 \| windows \| unit tests	10m 34s
py3.13 \| windows \| integration tests	10m 33s
py3.10 \| ubuntu \| unit tests	10m 43s
py3.10 \| ubuntu \| integration tests	10m 43s
py3.11 \| ubuntu \| unit tests	10m 15s
py3.12 \| ubuntu \| unit tests	10m 18s
merge-test-artifacts	1s
	1h 47m 5s

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