Moving the time interpolation down to within _Interpolator functions #656

Job	Run time
mypy	3m 25s
py3.13 \| macos \| integration tests	14m 27s
py3.13 \| macos \| unit tests	6m 39s
py3.13 \| ubuntu \| integration tests	14m 14s
py3.13 \| ubuntu \| unit tests	9m 36s
py3.13 \| windows \| integration tests	35m 14s
py3.13 \| windows \| unit tests	9m 48s
py3.10 \| ubuntu \| integration tests	13m 45s
py3.10 \| ubuntu \| unit tests	10m 45s
py3.11 \| ubuntu \| unit tests	10m 3s
py3.12 \| ubuntu \| unit tests	10m 8s
merge-test-artifacts	0s
	2h 18m 4s

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