Run `cspell` in CI #11043

Job	Run time
lint_ruby	20s
Ruby 3.1 on ubuntu-latest	15m 46s
spelling	14s
Ruby 3.2 on ubuntu-latest	14m 16s
Ruby 3.3 on ubuntu-latest	12m 38s
build_node (ubuntu-latest)	1m 7s
Ruby 3.1 on macos-latest	10m 1s
lint_node	27s
build_node (macos-latest)	1m 24s
Ruby 3.2 on macos-latest	7m 50s
build_node (windows-latest)	5m 27s
Ruby 3.3 on macos-latest	5m 57s
Verify Jekyll website builds	12s
Ruby 3.1 on windows-latest	20m 33s
Ruby 3.2 on windows-latest	19m 59s
Ruby 3.3 on windows-latest	21m 15s
	2h 17m 26s

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