Add Roman jump detection to ramp fitting #1326

Job	Run time
retrieve data	11s
test / Load tox environments	5s
check / Load tox environments	7s
check / check-style (ubuntu-latest)	20s
check / check-security (ubuntu-latest)	15s
check / check-build (ubuntu-latest)	1m 53s
test / test-oldestdeps-cov-xdist (ubuntu-latest)	4m 1s
test / test-xdist (ubuntu-latest)	2m 35s
test / test-xdist (ubuntu-latest)	2m 27s
test / test-xdist (ubuntu-latest)	2m 39s
test / test-xdist (macos-latest)	5m 47s
test / test-cov-xdist (ubuntu-latest)	3m 7s
test_downstream / Load tox environments	10s
test_downstream / test-jwst-cov-xdist (ubuntu-latest)	22m 20s
test_downstream / test-romancal-cov-xdist (ubuntu-latest)	7m 15s
	53m 12s

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