Add Jupyter to the spelling whitelist. #9201

Job	Run time
base-tests (./cli)	2m 46s
base-tests (./envision)	3m 14s
benchmark (e10_drive)	3m 46s
base-tests (./smarts/core --nb-exec-timeout 65536 --ignore=./smarts/core/tests/test_notebook.py)	4m 25s
base-tests (./smarts/env --ignore=./smarts/env/tests/test_rllib_hiway_env.py)	4m 46s
benchmark (e11_platoon)	4m 20s
base-tests (./smarts/env/tests/test_rllib_hiway_env.py)	3m 10s
base-tests (./smarts/sstudio)	2m 45s
examples-rl (e10_drive)	5m 2s
base-tests (./smarts/ray)	8m 12s
examples-rl (e11_platoon)	2m 58s
base-tests (./examples/tests/test_examples.py)	5m 43s
	51m 7s

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