chore(main): release 3.5.0

[github-actions]

🤖 I have created a release beep boop

3.5.0 (2026-05-06)

Features

• add contributing guide (d0db3d3)
• add disabled state to Checkbox component (87c014d)
• add groups-only property to Table component (2252b6a)
• add headersTransform property to Table component (64a469c)
• add rows selection disabled property to Table component (0754ac9)
• update library styles (9e8ec5f)

Bug Fixes

• correct duplicate lit warning in examples (4139aca)
• prevent ItemsData StackOverflow on element click (#92) (4fa0615)
• type ItemsData placeholder row + dedupe @thatopen/components (4e99def)
• update attribute name change (300e8f5)
• update checkbox checked state logic in TableRow component (d87f363)
• update TableRow to use table.value instead of table.data (66071f3)

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