Mapping <s> element to role=deletion

[Lifewithmuskan]

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labels: needs implementation commitment, needs changelog entry

Closes #0000

test case

• [ ] TODO HTML validator
• [ ] TODO IBM equal access accessibility checker
• [ ] TODO axe-core
• [ ] TODO ARC toolkit

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Preview | Diff

[scottaohara]

sorry, didn't notice this. but #469 will take care of this issue