Bun's WebSocket implementation doesn't fully support Playwright's CDP
connection because Playwright bundles its own 'ws' module. This causes
connectOverCDP to timeout.
The patch makes Playwright use the native 'ws' module when running
under Bun, which works with Bun's WebSocket shim.
Fixes browser snapshot/act timeouts after PR #278 (tsx → bun migration).
Ref: https://github.com/oven-sh/bun/issues/9911
