[DOC] Fixes for link fragments (#7981) #2290

Job	Run time
ruby-versions / Generate Ruby versions	1s
vterm-yamatanooroti 2.7 (latest reline)	1m 11s
vterm-yamatanooroti 2.7	1m 35s
vterm-yamatanooroti 3.0 (latest reline)	50s
vterm-yamatanooroti 3.0	50s
vterm-yamatanooroti 3.1 (latest reline)	55s
vterm-yamatanooroti 3.1	57s
vterm-yamatanooroti 3.2 (latest reline)	55s
vterm-yamatanooroti 3.2	1m 3s
vterm-yamatanooroti head (latest reline)	49s
vterm-yamatanooroti head	49s
rake test 2.7 (latest reline)	53s
rake test 2.7	49s
rake test 3.0 (latest reline)	31s
rake test 3.0	32s
rake test 3.1 (latest reline)	39s
rake test 3.1	28s
rake test 3.2 (latest reline)	31s
rake test 3.2	38s
rake test head (latest reline)	35s
rake test head	25s
rake test truffleruby-head (latest reline)	6m 22s
rake test truffleruby-head	6m 39s
	28m 57s

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