Tabs: make tabs scroll horizontally when cramped

[daneah]

This change: (check at least one)

• [x] Adds a new feature
• [ ] Fixes a bug
• [ ] Improves maintainability
• [ ] Improves documentation
• [ ] Is a release activity

Is this a breaking change? (check one)

• [ ] Yes
• [x] No

Is the: (complete all)

• [x] Title of this pull request clear, concise, and indicative of the issue number it addresses, if any?
• [x] Test suite(s) passing?
• [x] Code coverage maximal?
• [ ] Changeset added?
• [ ] Component status page up to date?

What does this change address?

Resolves #292

How does this change work?

When a list of tabs is cramped horizontally, make them scrollable with indicators of scrollability.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 50b5ba1df10871a13a02c4371248d5d8289021af

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

This PR includes changesets to release 1 package

Name	Type
@ithaka/pharos	Minor

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Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions[bot]]

size-limit report 📦

Path	Size
packages/pharos/lib/index.js	47.05 KB (+0.99% 🔺)