test

Add common resample code to stcal. #2142

Job	Run time
check / Load tox environments	3s
test / Load tox environments	6s
test_downstream / Load tox environments	5s
check / check-style (ubuntu-latest)	36s
check / check-types (ubuntu-latest)	1m 32s
check / check-build (ubuntu-latest)	1m 5s
test_downstream / py311-jwst-cov-xdist (ubuntu-latest)	28m 39s
test_downstream / py311-romancal-cov-xdist (ubuntu-latest)	4m 44s
test / py310-oldestdeps-cov-xdist (ubuntu-latest)	1m 20s
test / py310-xdist (ubuntu-latest)	2m 5s
test / py311-xdist (ubuntu-latest)	1m 53s
test / py312-cov-xdist (ubuntu-latest)	2m 22s
test / py311-xdist (macos-latest)	1m 19s
	45m 49s

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