Add Roman jump detection to ramp fitting #1274

Job	Run time
test_downstream / Load tox environments	5s
test / Load tox environments	9s
check / Load tox environments	11s
test_downstream / test-jwst-cov-xdist (ubuntu-latest)	30m 59s
test_downstream / test-romancal-cov-xdist (ubuntu-latest)	6m 8s
test / test-oldestdeps-cov-xdist (ubuntu-latest)	2m 17s
test / test-xdist (ubuntu-latest)	2m 25s
test / test-xdist (ubuntu-latest)	2m 1s
test / test-xdist (ubuntu-latest)	2m 31s
test / test-xdist (macos-latest)	5m 59s
test / test-cov-xdist (ubuntu-latest)	1m 58s
check / check-style (ubuntu-latest)	22s
check / check-security (ubuntu-latest)	19s
check / check-build (ubuntu-latest)	1m 38s
	57m 2s

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