chore(SelectPanel): Add dev stories and update vrt snapshots

[hussam-i-am]

• Relates to https://github.com/github/primer/issues/4295

Changelog

New

Changed

• Adds dev stories for SelectPanel
• Adds SelectPanel dev stories to vrt test suite
• Adds SelectPanel2 features to vrt test suite

Removed

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

Test updates, nothing to rollout

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: a39852b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	101.27 KB (+0.05% 🔺)
packages/react/dist/browser.umd.js	101.63 KB (+0.18% 🔺)

[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[primer-integration]

👋 Hi from github/github! Your integration PR is ready: https://github.com/github/github/pull/352188

[primer-integration]

🔴 golden-jobs completed with status failure.