Utilize `aria-describedby` on all `ActionList` descriptions

[TylerJDev]

Closes https://github.com/github/primer/issues/2501

Changelog

Changed

• Added aria-describedby to inline description
• Added aria-labelledby to ActionList.TrailingVisual

Rollout strategy

• [x] 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

• [x] Added/updated tests
• [ ] Added/updated documentation
• [x] Added/updated previews (Storybook)
• [ ] Changes are SSR compatible
• [x] 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[bot]]

🦋 Changeset detected

Latest commit: 69a57f166779b6e851a1c172ea01294bd8d2fb51

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

This PR includes changesets to release 1 package

| Name | Type | | ------------- | ----- | | @primer/react | Patch |

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[github-actions[bot]]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	90.82 KB (-0.01% 🔽)
packages/react/dist/browser.umd.js	91.15 KB (+0.07% 🔺)