Textarea: Add "title" to story example

[TylerJDev]

Part of https://github.com/github/primer/issues/3441

Adds a visual title to textarea example in storybook. This addresses a potential accessibility issue where the current example would fail 3.3.2 Labels or Instructions.

Changelog

Changed

• Adds "title" (heading) to textarea story

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

Testing & Reviewing

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: ce2fcbe

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[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	97.5 KB (0%)
packages/react/dist/browser.umd.js	97.67 KB (0%)