docs: add needConfirm option on time-picker docs

[KumJungMin]

中文版模板 / Chinese template

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💡 Background and solution

• The needConfirm option added at v5.14.0 .

ant-design/components/time-picker/index.en-US.md

Line 66 in 9744ab6

| needConfirm | Need click confirm button to trigger value change | boolean | - | 5.14.0 |

• but, the option demo and description is blank.

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⚠️ Please check all items below before requesting a reviewing. ⚠️

• Doc is updated/provided or not needed
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[afc163]

ci broken

[KumJungMin]

@afc163 I resolved the CI error caused by missing test snapshots 😄 (4641b42)

[afc163]

CI broken

[afc163]

https://github.com/ant-design/ant-design/actions/runs/9139519704/job/25133436879?pr=48945

[afc163]

Run npm test -- components/time-picker -u to update snapshot.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (b62b819) to head (4c4780b).
Report is 2 commits behind head on master.

Additional details and impacted files

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