test(e2e): add playwright setup

[joshblack]

Playwright snapshot tests help us track visual regressions by storing screenshots of all Storybook stories. This implementation will capture all stories, but we can always pair it down in the future if it seems like too much.

• Add Playwright
• Configure snapshot tests action to run on all PRs
• Configure update snapshots label

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[github-actions]

🟢 No design token changes found

[lukasoppermann]

Can we add a name here that is more descriptive? So that it does not say CI / vrt

[lukasoppermann]

Can we add a name here that is more descriptive? So that it does not say CI / vrt-runner (1)

[joshblack]

Hey @lukasoppermann! 👋 Just was putting this up as a draft from the pairing session @langermank and I had last week 👀 Let me know if it'd be preferred to leave it open as a draft or close it out.

[lukasoppermann]

Hey @joshblack, so is this a working version of it already? Or does it need more work?

In any case, feel free to leave it here as a draft until it can get merged. Thanks for the help 🙏