AB#126039 bump Playwright minimum version

[sebastianchristopher]

• issues with browser install hang on Playwright 1.58 so this ups the floor of what version we require. Also upgrades vite and guidance.

[Copilot]

Pull request overview

This PR raises the minimum required Playwright version to avoid browser install hangs seen with older Playwright versions on newer Node (per PR description), and updates related developer guidance and build tooling dependencies.

Changes:

• Bumped the @playwright/test peer dependency floor to 1.60.0.
• Updated README guidance for installing Playwright browsers and clarified the required Playwright version.
• Upgraded vite to 8.0.5 (with corresponding lockfile updates) for building the package.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.

File	Description
README.md	Updates Playwright install guidance and documents the new minimum required Playwright version.
package.json	Raises Playwright peer dependency requirement and upgrades Vite used for bundling.
package-lock.json	Locks updated dependency graph for the new Playwright/Vite versions.

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