test

Add common resample code to stcal #2051

Job	Run time
check / Load tox environments	4s
test / Load tox environments	6s
test_downstream / Load tox environments	5s
check / check-style (ubuntu-latest)	37s
check / check-types (ubuntu-latest)	1m 35s
check / check-build (ubuntu-latest)	1m 1s
test_downstream / py311-jwst-cov-xdist (ubuntu-latest)	27m 31s
test_downstream / py311-romancal-cov-xdist (ubuntu-latest)	5m 18s
test / py310-oldestdeps-cov-xdist (ubuntu-latest)	2m 46s
test / py310-xdist (ubuntu-latest)	2m 22s
test / py311-xdist (ubuntu-latest)	2m 7s
test / py312-cov-xdist (ubuntu-latest)	2m 49s
test / py311-xdist (macos-latest)	1m 46s
	48m 7s

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