feat(pie-link): DSW-3365 add support for aria-haspopup

[xander-marjoram]

Describe your changes (can list changeset entries if preferable)

I noticed recently that the aria-haspopup="dialog" attribute was added to a button in Consumer Web. This improves accessibility by telling screen reader users that clicking the button will open a dialog.

I thought that we should probably be using this behaviour in pie-cookie-banner, as the Manage Preferences button/link also opens a dialog (pie-modal).

In order to achieve this, this functionality needed to be added to pie-link. I also took the time to add it to pie-button as well, and this is demonstrated in pie-modal’s stories.

Author Checklist (complete before requesting a review, do not delete any)

• I have performed a self-review of my code.
• I have added thorough tests where applicable (unit / component / visual).
• I have reviewed the PIE Storybook/PIE Docs PR preview.
• I have reviewed visual test updates properly before approving.
• If changes will affect consumers of the package, I have created a changeset entry.
• If a changeset file has been created, I have tested these changes in PIE Aperture using the /test-aperture command.
• I have filled out the DS Review Tracker checklist (Moving PR to "Ready to Review")

Not-applicable Checklist items

Please move any Author checklist items that do not apply to this pull request here.

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Testing

How do I test my changes?

Task	Link
Aperture PR	🔗
NextJS 14 deployment	🔗
Nuxt 3 deployment	🔗
Vanilla deployment	🔗

Reviewer checklists (complete before approving)

Mark items as [-] N/A if not applicable.

Reviewer 1

• I have reviewed the PIE Storybook/PIE Docs PR preview.
• I have verified that all acceptance criteria for this ticket have been completed.
• I have reviewed the Aperture changes (if added)
• If there are visual test updates, I have reviewed them.

Reviewer 2

• I have reviewed the PIE Storybook/PIE Docs PR preview.
• I have verified that all acceptance criteria for this ticket have been completed.
• I have reviewed the Aperture changes (if added)
• If there are visual test updates, I have reviewed them.

[changeset-bot]

🦋 Changeset detected

Latest commit: 1eb0bae

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages

Name	Type
@justeattakeaway/pie-monorepo-utils	Patch
@justeattakeaway/pie-cookie-banner	Minor
@justeattakeaway/pie-button	Minor
@justeattakeaway/pie-link	Minor
@justeattakeaway/pie-storybook	Minor
@justeattakeaway/pie-docs	Patch
@justeattakeaway/pie-breadcrumb	Patch
@justeattakeaway/pie-modal	Patch
@justeattakeaway/pie-toast-provider	Patch
@justeattakeaway/pie-toast	Patch
@justeattakeaway/pie-webc	Patch
wc-react17	Patch
wc-react18	Patch

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