Raise error on deprecated `notebook` subcommand #414

Job	Run time
Lint (Python 3.10 on ubuntu-latest)	1m 10s
Test (Python 3.8 on macos-latest)	2m 10s
Test (Python 3.9 on macos-latest)	1m 48s
Test (Python 3.10 on macos-latest)	1m 47s
Test (Python 3.11 on macos-latest)	2m 13s
Test (Python 3.12 on macos-latest)	1m 58s
Test (Python 3.8 on ubuntu-latest)	44s
Test (Python 3.9 on ubuntu-latest)	46s
Test (Python 3.10 on ubuntu-latest)	52s
Test (Python 3.11 on ubuntu-latest)	50s
Test (Python 3.12 on ubuntu-latest)	53s
Test (Python 3.8 on windows-latest)	2m 25s
Test (Python 3.9 on windows-latest)	2m 27s
Test (Python 3.10 on windows-latest)	3m 1s
Test (Python 3.11 on windows-latest)	3m 10s
Test (Python 3.12 on windows-latest)	2m 46s
	29m 0s

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