Enable RuboCop class structure #10908

Job	Run time
lint_node	25s
Ruby 3.1 on ubuntu-latest	15m 1s
build_node (ubuntu-latest)	1m 6s
Ruby 3.2 on ubuntu-latest	15m 7s
lint_ruby	21s
build_node (macos-latest)	1m 14s
Verify Jekyll website builds	12s
Ruby 3.3 on ubuntu-latest	10m 42s
build_node (windows-latest)	5m 53s
Ruby 3.1 on macos-latest	7m 55s
Ruby 3.2 on macos-latest	8m 50s
Ruby 3.3 on macos-latest	5m 26s
Ruby 3.1 on windows-latest	20m 26s
Ruby 3.2 on windows-latest	20m 29s
Ruby 3.3 on windows-latest	18m 49s
	2h 11m 56s

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