Fix folding ranges when a line is surrounded by comments and contains… #11940

Job	Run time
lint_node	26s
lint_ruby	21s
build_node (ubuntu-latest)	2m 5s
Ruby 3.1 on ubuntu-latest	11m 30s
spelling	16s
build_node (macos-latest)	2m 31s
Ruby 3.2 on ubuntu-latest	11m 28s
build_node (windows-latest)	5m 12s
Ruby 3.3 on ubuntu-latest	10m 29s
Verify Jekyll website builds	15s
Ruby 3.1 on macos-latest	9m 2s
Ruby 3.2 on macos-latest	6m 16s
Ruby 3.3 on macos-latest	5m 36s
Ruby 3.1 on windows-latest	18m 46s
Ruby 3.2 on windows-latest	19m 32s
Ruby 3.3 on windows-latest	21m 37s
	2h 5m 22s

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