Raise error on deprecated `notebook` subcommand #420

Job	Run time
Lint (Python 3.10 on ubuntu-latest)	1m 2s
Test (Python 3.8 on macos-latest)	2m 12s
Test (Python 3.9 on macos-latest)	2m 0s
Test (Python 3.10 on macos-latest)	1m 46s
Test (Python 3.11 on macos-latest)	2m 54s
Test (Python 3.12 on macos-latest)	1m 50s
Test (Python 3.8 on ubuntu-latest)	46s
Test (Python 3.9 on ubuntu-latest)	49s
Test (Python 3.10 on ubuntu-latest)	46s
Test (Python 3.11 on ubuntu-latest)	48s
Test (Python 3.12 on ubuntu-latest)	48s
Test (Python 3.8 on windows-latest)	2m 58s
Test (Python 3.9 on windows-latest)	2m 57s
Test (Python 3.10 on windows-latest)	2m 22s
Test (Python 3.11 on windows-latest)	3m 3s
Test (Python 3.12 on windows-latest)	3m 1s
	30m 2s

Provide feedback