[A11y] - Programmatic label does not convey purpose of control

### Current Behaviour
`The programmatic label does not convey the purpose of the control. The programmatic label and visual label do not convey consistent information. `

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### Expected Behaviour
`RULE : Labels MUST be meaningful. HOW TO FIX: Fix this issue by ensuring that the programmatic label for the control correctly conveys the purpose of the control. Generally, the programmatic label and the visual label should match. `

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### Impact

- [ ] Blocker
- [x] Serious
- [ ] Critical
- [ ] Moderate
- [ ] Minor

### Issue Details

View Issue 1685584

_**Auditor ID**_ : [1685584](https://axeauditor.dequecloud.com/issue-global-search?searchKeyword=1685584&searchOn=id)

_**description**_ : Label Value button
Element location: Below the "Example" heading

Accessible label: Label Value
Visible label: Edit label value

_**Page Name**_ : TagButton

_**source**_ : `

value`

_**Screenshots**_ : [Programmatic label does not convey purpose of control](https://axeauditor.dequecloud.com/api/v1/file/80d4dc94-dae6-11ee-be29-9bc85f2eb3d1)