feat(ui-table): add column ordering to caption

[joyenjoyer]

INSTUI-4699

Test plan:

1. Move to the Table docs page
2. Turn on NVDA/VoiceOver/Jaws
3. Focus the Table example that can be ordered by columns
4. Observe whether the Screenreader announce ordering - it has to announce the right column, right order
5. Try changing the ordering and observe whether it announce the changed column and order

[github-actions[bot]]

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