Docs(Flash): Add aria-label to stories with icons

[francinelucca]

Closes https://github.com/github/primer/issues/3483

Changelog

Changed

• Adds aria-label to Flash stories with icons to improve accessibility.

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Storybook change only

Testing & Reviewing

See deployed Flash features stories and verify all icons have an aria-label that is accessible by screen readers.

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

[changeset-bot]

⚠️ No Changeset found

Latest commit: fb448a1

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[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	97.58 KB (0%)
packages/react/dist/browser.umd.js	97.7 KB (0%)

[francinelucca]

Note: since Flash is listed under deprecated components in our docs, wondering if we should put it under deprecated in SB as well?

[francinelucca]

Note: since Flash is listed under deprecated components in our docs, wondering if we should put it under deprecated in SB as well?

Not necessary at the moment! react's Flash not fully deprecated yet