fix: support Playwright 1.61.0

[jasny]

Updates @playwright/experimental-ct-core from 1.59.1 to 1.61.0 and adjusts the internal transform import needed for Playwright 1.61 compatibility.

What changed

• bump @playwright/experimental-ct-core to 1.61.0
• update playwright-ct-angular/transform.js to use require("playwright/lib/common").transform
• refresh pnpm-lock.yaml

Why

Playwright 1.61 no longer exposes playwright/lib/transform/transform, which causes component tests to fail during startup after the dependency upgrade.

This keeps the package working with the latest Playwright release with the smallest possible code change.

Validation

• ran pnpm test
• confirmed the original startup failure was resolved
• installed matching Playwright browsers with pnpm --filter ct-angular exec playwright install
• reran pnpm test